diff --git a/src/app/core/data/lookup-relation.service.ts b/src/app/core/data/lookup-relation.service.ts
index bf0e2469d1..153fcf1c54 100644
--- a/src/app/core/data/lookup-relation.service.ts
+++ b/src/app/core/data/lookup-relation.service.ts
@@ -1,6 +1,6 @@
 import { ExternalSourceService } from './external-source.service';
 import { SearchService } from '../shared/search/search.service';
-import { concat, map, multicast, startWith, take, takeWhile } from 'rxjs/operators';
+import { concat, distinctUntilChanged, map, multicast, startWith, take, takeWhile } from 'rxjs/operators';
 import { PaginatedSearchOptions } from '../../shared/search/paginated-search-options.model';
 import { ReplaySubject } from 'rxjs/internal/ReplaySubject';
 import { RemoteData } from './remote-data';
@@ -91,7 +91,8 @@ export class LookupRelationService {
       getAllSucceededRemoteData(),
       getRemoteDataPayload(),
       map((results: PaginatedList<ExternalSourceEntry>) => results.totalElements),
-      startWith(0)
+      startWith(0),
+      distinctUntilChanged()
     );
   }
 
diff --git a/src/app/entity-groups/research-entities/submission/item-list-elements/external-source-entry/external-source-entry-list-submission-element.component.ts b/src/app/entity-groups/research-entities/submission/item-list-elements/external-source-entry/external-source-entry-list-submission-element.component.ts
index 272331aaf6..7dee15ca05 100644
--- a/src/app/entity-groups/research-entities/submission/item-list-elements/external-source-entry/external-source-entry-list-submission-element.component.ts
+++ b/src/app/entity-groups/research-entities/submission/item-list-elements/external-source-entry/external-source-entry-list-submission-element.component.ts
@@ -7,6 +7,7 @@ import { Component, OnInit } from '@angular/core';
 import { Metadata } from '../../../../../core/shared/metadata.utils';
 import { MetadataValue } from '../../../../../core/shared/metadata.models';
 
+@listableObjectComponent(ExternalSourceEntry, ViewMode.ListElement, Context.EntitySearchModal)
 @listableObjectComponent(ExternalSourceEntry, ViewMode.ListElement, Context.EntitySearchModalWithNameVariants)
 @Component({
   selector: 'ds-external-source-entry-list-submission-element',
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts
index f762a8c1c4..105aa86204 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts
@@ -407,7 +407,7 @@ export class DsDynamicFormControlContainerComponent extends DynamicFormControlCo
     modalComp.repeatable = this.model.repeatable;
     modalComp.listId = this.listId;
     modalComp.relationshipOptions = this.model.relationship;
-    modalComp.label = this.model.label;
+    modalComp.label = this.model.relationship.relationshipType;
     modalComp.metadataFields = this.model.metadataFields;
     modalComp.item = this.item;
     modalComp.collection = this.collection;
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts
index c110c851fd..38e28d742c 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts
@@ -1,5 +1,5 @@
 import { Component, EventEmitter, NgZone, OnDestroy, OnInit, Output } from '@angular/core';
-import { combineLatest, Observable, Subscription, zip as observableZip } from 'rxjs';
+import { combineLatest as observableCombineLatest, Observable, Subscription } from 'rxjs';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
 import { hasValue } from '../../../../empty.util';
 import { map, skip, switchMap, take } from 'rxjs/operators';
@@ -157,7 +157,7 @@ export class DsDynamicLookupRelationModalComponent implements OnInit, OnDestroy
   select(...selectableObjects: Array<SearchResult<Item>>) {
     this.zone.runOutsideAngular(
       () => {
-        const obs: Observable<any[]> = combineLatest(...selectableObjects.map((sri: SearchResult<Item>) => {
+        const obs: Observable<any[]> = observableCombineLatest(...selectableObjects.map((sri: SearchResult<Item>) => {
             this.addNameVariantSubscription(sri);
             return this.relationshipService.getNameVariant(this.listId, sri.indexableObject.uuid)
               .pipe(
@@ -223,7 +223,7 @@ export class DsDynamicLookupRelationModalComponent implements OnInit, OnDestroy
       switchMap((options) => this.lookupRelationService.getTotalLocalResults(this.relationshipOptions, options))
     );
 
-    const externalSourcesAndOptions$ = combineLatest(
+    const externalSourcesAndOptions$ = observableCombineLatest(
       this.externalSourcesRD$.pipe(
         getAllSucceededRemoteData(),
         getRemoteDataPayload()
@@ -233,7 +233,7 @@ export class DsDynamicLookupRelationModalComponent implements OnInit, OnDestroy
 
     this.totalExternal$ = externalSourcesAndOptions$.pipe(
       switchMap(([sources, options]) =>
-        observableZip(...sources.page.map((source: ExternalSource) => this.lookupRelationService.getTotalExternalResults(source, options))))
+        observableCombineLatest(...sources.page.map((source: ExternalSource) => this.lookupRelationService.getTotalExternalResults(source, options))))
     );
   }
 
diff --git a/src/app/shared/object-collection/shared/importable-list-item-control/importable-list-item-control.component.html b/src/app/shared/object-collection/shared/importable-list-item-control/importable-list-item-control.component.html
index ca3b086653..921999b540 100644
--- a/src/app/shared/object-collection/shared/importable-list-item-control/importable-list-item-control.component.html
+++ b/src/app/shared/object-collection/shared/importable-list-item-control/importable-list-item-control.component.html
@@ -1,4 +1,4 @@
-<div class="d-inline-block mr-2">
+<div class="mr-2">
   <button (click)="importObject.emit(object)"
           class="btn btn-outline-primary btn-sm float-left"
           title="{{importConfig?.buttonLabel | translate}}">
diff --git a/src/app/shared/object-list/object-list.component.html b/src/app/shared/object-list/object-list.component.html
index 5f6b1d1ec8..4aecaaac8f 100644
--- a/src/app/shared/object-list/object-list.component.html
+++ b/src/app/shared/object-list/object-list.component.html
@@ -12,20 +12,16 @@
         (sortFieldChange)="onSortFieldChange($event)"
         (paginationChange)="onPaginationChange($event)">
     <ul *ngIf="objects?.hasSucceeded" class="list-unstyled" [ngClass]="{'ml-4': selectable}">
-        <li *ngFor="let object of objects?.payload?.page; let i = index; let last = last" class="mt-4 mb-4" [class.border-bottom]="hasBorder && !last">
-          <span *ngIf="selectable">
-                   <ds-selectable-list-item-control [index]="i"
-                                                    [object]="object"
-                                                    [selectionConfig]="selectionConfig"
-                                                    (deselectObject)="deselectObject.emit($event)"
-                                                    (selectObject)="selectObject.emit($event)"></ds-selectable-list-item-control>
-              </span>
-          <span *ngIf="importable">
-            <ds-importable-list-item-control  [object]="object"
-                                              [importConfig]="importConfig"
-                                              (importObject)="importObject.emit($event)"></ds-importable-list-item-control>
-          </span>
-            <ds-listable-object-component-loader [object]="object" [viewMode]="viewMode" [index]="i" [context]="context" [linkType]="linkType"
+        <li *ngFor="let object of objects?.payload?.page; let i = index; let last = last" class="mt-4 mb-4 d-flex" [class.border-bottom]="hasBorder && !last">
+          <ds-selectable-list-item-control *ngIf="selectable" [index]="i"
+                                           [object]="object"
+                                           [selectionConfig]="selectionConfig"
+                                           (deselectObject)="deselectObject.emit($event)"
+                                           (selectObject)="selectObject.emit($event)"></ds-selectable-list-item-control>
+          <ds-importable-list-item-control *ngIf="importable" [object]="object"
+                                           [importConfig]="importConfig"
+                                           (importObject)="importObject.emit($event)"></ds-importable-list-item-control>
+          <ds-listable-object-component-loader [object]="object" [viewMode]="viewMode" [index]="i" [context]="context" [linkType]="linkType"
                                                  [listID]="selectionConfig?.listId"></ds-listable-object-component-loader>
         </li>
     </ul>
diff --git a/src/assets/i18n/en.json5 b/src/assets/i18n/en.json5
index e7335694f1..de4c3eb552 100644
--- a/src/assets/i18n/en.json5
+++ b/src/assets/i18n/en.json5
@@ -2952,7 +2952,7 @@
 
   "submission.sections.describe.relationship-lookup.external-source.added": "Successfully added local entry to the selection",
 
-  "submission.sections.describe.relationship-lookup.external-source.import-button-title.Author": "Import remote author",
+  "submission.sections.describe.relationship-lookup.external-source.import-button-title.isAuthorOfPublication": "Import remote author",
 
   "submission.sections.describe.relationship-lookup.external-source.import-button-title.Journal": "Import remote journal",
 
@@ -2960,11 +2960,11 @@
 
   "submission.sections.describe.relationship-lookup.external-source.import-button-title.Journal Volume": "Import remote journal volume",
 
-  "submission.sections.describe.relationship-lookup.external-source.import-modal.Author.title": "Import Remote Author",
+  "submission.sections.describe.relationship-lookup.external-source.import-modal.isAuthorOfPublication.title": "Import Remote Author",
 
-  "submission.sections.describe.relationship-lookup.external-source.import-modal.Author.added.local-entity": "Successfully added local author to the selection",
+  "submission.sections.describe.relationship-lookup.external-source.import-modal.isAuthorOfPublication.added.local-entity": "Successfully added local author to the selection",
 
-  "submission.sections.describe.relationship-lookup.external-source.import-modal.Author.added.new-entity": "Successfully imported and added external author to the selection",
+  "submission.sections.describe.relationship-lookup.external-source.import-modal.isAuthorOfPublication.added.new-entity": "Successfully imported and added external author to the selection",
 
   "submission.sections.describe.relationship-lookup.external-source.import-modal.authority": "Authority",
 
@@ -2986,6 +2986,10 @@
 
   "submission.sections.describe.relationship-lookup.external-source.import-modal.head.sherpaPublisher": "Importing from Sherpa Publisher",
 
+  "submission.sections.describe.relationship-lookup.external-source.import-modal.head.pubmed": "Importing from PubMed",
+
+  "submission.sections.describe.relationship-lookup.external-source.import-modal.head.arxiv": "Importing from arXiv",
+
   "submission.sections.describe.relationship-lookup.external-source.import-modal.import": "Import",
 
   "submission.sections.describe.relationship-lookup.external-source.import-modal.Journal.title": "Import Remote Journal",
@@ -3040,6 +3044,10 @@
 
   "submission.sections.describe.relationship-lookup.search-tab.tab-title.lcname": "LC Names ({{ count }})",
 
+  "submission.sections.describe.relationship-lookup.search-tab.tab-title.pubmed": "PubMed ({{ count }})",
+
+  "submission.sections.describe.relationship-lookup.search-tab.tab-title.arxiv": "arXiv ({{ count }})",
+
   "submission.sections.describe.relationship-lookup.search-tab.tab-title.isFundingAgencyOfPublication": "Search for Funding Agencies",
 
   "submission.sections.describe.relationship-lookup.search-tab.tab-title.isFundingOfPublication": "Search for Funding",
@@ -3094,6 +3102,8 @@
 
   "submission.sections.describe.relationship-lookup.selection-tab.title.pubmed": "Search Results",
 
+  "submission.sections.describe.relationship-lookup.selection-tab.title.arxiv": "Search Results",
+
   "submission.sections.describe.relationship-lookup.name-variant.notification.content": "Would you like to save \"{{ value }}\" as a name variant for this person so you and others can reuse it for future submissions? If you don\'t you can still use it for this submission.",
 
   "submission.sections.describe.relationship-lookup.name-variant.notification.confirm": "Save a new name variant",