diff --git a/src/app/admin/admin-reports/filtered-collections/filtered-collections.component.ts b/src/app/admin/admin-reports/filtered-collections/filtered-collections.component.ts
index 3d0c52d47e..411e362d29 100644
--- a/src/app/admin/admin-reports/filtered-collections/filtered-collections.component.ts
+++ b/src/app/admin/admin-reports/filtered-collections/filtered-collections.component.ts
@@ -40,7 +40,7 @@ export class FilteredCollectionsComponent {
 
   submit() {
     this
-      .postFilteredCollections()
+      .getFilteredCollections()
       .subscribe(
         response => {
           this.results.deserialize(response.payload);
@@ -49,10 +49,42 @@ export class FilteredCollectionsComponent {
       );
   }
 
-  postFilteredCollections(): Observable<RawRestResponse> {
+  getFilteredCollections(): Observable<RawRestResponse> {
+    let params = this.toQueryString();
+    if (params.length > 0) {
+       params = "?" + params;
+    }
+    let scheme = environment.rest.ssl ? 'https' : 'http';
+    let urlRestApp = `${scheme}://${environment.rest.host}:${environment.rest.port}${environment.rest.nameSpace}`;
+    return this.restService.request(RestRequestMethod.GET, `${urlRestApp}/api/contentreport/filteredcollections${params}`);
+  }
+
+  private toQueryString() : string {
+    let params = FiltersComponent.toQueryString(this.queryForm.value['filters']);
+    return params;
+  }
+
+  /*
+  downloadCsv() {
+    this
+      .postDownloadCsv()
+      .subscribe(
+        response => {
+          // TODO: Ne fonctionne pas, le restService de DSpace attend un document JSON.
+          const csv: any = response.payload;
+          const blob = new Blob([csv], { type: 'text/csv' });
+          const url = window.URL.createObjectURL(blob);
+          window.open(url);
+        }
+      );
+  }
+
+  postDownloadCsv(): Observable<RawRestResponse> {
     let form = this.queryForm.value;
     let scheme = environment.rest.ssl ? 'https' : 'http';
     let urlRestApp = `${scheme}://${environment.rest.host}:${environment.rest.port}${environment.rest.nameSpace}`;
-    return this.restService.request(RestRequestMethod.POST, `${urlRestApp}/api/contentreport/filteredcollections`, form);
+    return this.restService.request(RestRequestMethod.POST, `${urlRestApp}/api/contentreport/filteredcollections/csv`, form);
   }
+*/
+
 }
diff --git a/src/app/admin/admin-reports/filtered-items/filtered-items.component.ts b/src/app/admin/admin-reports/filtered-items/filtered-items.component.ts
index 0aaa56b1a0..3d1db452fd 100644
--- a/src/app/admin/admin-reports/filtered-items/filtered-items.component.ts
+++ b/src/app/admin/admin-reports/filtered-items/filtered-items.component.ts
@@ -280,7 +280,7 @@ export class FilteredItemsComponent {
 
   resubmit() {
     this.results$ = this
-      .postFilteredItems()
+      .getFilteredItems()
       .pipe(
         map(response => {
           let offset = this.currentPage * this.pageSize();
@@ -290,12 +290,46 @@ export class FilteredItemsComponent {
       );
   }
 
-  postFilteredItems(): Observable<RawRestResponse> {
-    let form = this.queryForm.value;
+  getFilteredItems(): Observable<RawRestResponse> {
+    let params = this.toQueryString();
+    if (params.length > 0) {
+       params = "?" + params;
+    }
     let scheme = environment.rest.ssl ? 'https' : 'http';
     let urlRestApp = `${scheme}://${environment.rest.host}:${environment.rest.port}${environment.rest.nameSpace}`;
-    let urlRequest = `${urlRestApp}/api/contentreport/filtereditems?page=${this.currentPage}&size=${this.pageSize()}`;
-    return this.restService.request(RestRequestMethod.POST, urlRequest, form);
+    return this.restService.request(RestRequestMethod.GET, `${urlRestApp}/api/contentreport/filtereditems${params}`);
+  }
+
+  private toQueryString() : string {
+    let params = `page=${this.currentPage}&size=${this.pageSize()}`;
+
+    let colls = this.queryForm.value['collections'];
+    for (const coll in colls) {
+      params += `&collections=${colls[coll]}`;
+    }
+
+    let preds = this.queryForm.value['queryPredicates'];
+    for (const pred in preds) {
+      const field = preds[pred].field;
+      const op = preds[pred].operator;
+      const value = preds[pred].value;
+      params += `&queryPredicates=${field}:${op}`;
+      if (value) {
+        params += `:${value}`;
+      }
+    }
+
+    let filters = FiltersComponent.toQueryString(this.queryForm.value['filters']);
+    if (filters.length > 0) {
+      params += `&${filters}`;
+    }
+
+    let addFlds = this.queryForm.value['additionalFields'];
+    for (const fld in addFlds) {
+      params += `&additionalFields=${addFlds[fld]}`;
+    }
+
+    return params;
   }
 
 }
diff --git a/src/app/admin/admin-reports/filters-section/filters-section.component.ts b/src/app/admin/admin-reports/filters-section/filters-section.component.ts
index e6a7f683dd..2c3af281c0 100644
--- a/src/app/admin/admin-reports/filters-section/filters-section.component.ts
+++ b/src/app/admin/admin-reports/filters-section/filters-section.component.ts
@@ -126,4 +126,20 @@ export class FiltersComponent {
     this.setAllFilters(false);
   }
 
+  static toQueryString(filters: Object): string {
+    let params = '';
+    let first = true;
+    for (const key in filters) {
+      if (filters[key]) {
+        if (first) {
+          first = false;
+        } else {
+          params += '&';
+        }
+        params += `filters=${key}`;
+      }
+    }
+    return params;
+  }
+
 }