diff --git a/component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerContainerFragment.java b/component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerContainerFragment.java
index 791901a9..f5fd50b0 100644
--- a/component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerContainerFragment.java
+++ b/component/viewer/src/main/java/one/nem/lacerta/component/viewer/ViewerContainerFragment.java
@@ -33,6 +33,7 @@ import one.nem.lacerta.component.common.picker.LacertaDirPickerDialog;
 import one.nem.lacerta.component.common.picker.LacertaFilePickerDialog;
 import one.nem.lacerta.data.Document;
 import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.ListItemType;
 import one.nem.lacerta.model.document.page.Page;
 import one.nem.lacerta.model.document.tag.DocumentTag;
 import one.nem.lacerta.model.pref.ToxiDocumentModel;
@@ -149,14 +150,13 @@ public class ViewerContainerFragment extends Fragment {
                 document.getDocumentPageListByFileNameList(this.documentId, pagePathList).thenApply(pageList -> {
                     logger.debug("ViewerContainerFragment", "pageList: " + pageList.size());
                     // 暫定: 履歴を遡って表示している場合は結合を無視する(処理自体は単純だけどUI側の対応をする時間がないので)
-                    this.hasCombined = false;
                     tabLayout.setVisibility(View.GONE);
-
                     viewerViewPagerAdapter.setFragmentTargetIdList(new ArrayList<String>(){{add(documentId);}}); // TODO-rca: 読みにくいので直接追加できるようにする
                     viewerViewPagerAdapter.setFragmentTitleList(new ArrayList<String>(){{add(documentName);}}); // TODO-rca: 読みにくいので直接追加できるようにする
 
                     viewerViewPagerAdapter.setFragmentRevisionList(new ArrayList<String>(){{add(revId);}}); // TODO-rca: 読みにくいので直接追加できるようにする
                     viewerViewPagerAdapter.notifyItemRangeChanged(0, pageList.size());
+                    toolbar.setSubtitle("リビジョン: " + revId);
                     return null;
                 });
                 return null;
@@ -165,6 +165,8 @@ public class ViewerContainerFragment extends Fragment {
 
         // Get document page
         if (this.hasCombined) { // 結合親の場合
+            // バージョンを遡る操作を非表示
+            toolbar.getMenu().findItem(R.id.action_open_vcs_rev_list).setVisible(false);
             logger.debug("ViewerContainerFragment", "hasCombined: " + hasCombined);
             lacertaLibrary.getCombinedDocumentToxiList(documentId).thenAccept(combinedDocumentToxiList -> {
                 logger.debug("ViewerContainerFragment", "combinedDocumentToxiList: " + combinedDocumentToxiList.size());
@@ -175,6 +177,7 @@ public class ViewerContainerFragment extends Fragment {
                         combinedDocumentToxiList.stream().map(ToxiDocumentModel::getTitleCache).collect(Collectors.toCollection(ArrayList::new)));
 
                 viewerViewPagerAdapter.notifyItemRangeChanged(0, combinedDocumentToxiList.size());
+                toolbar.setSubtitle("結合ドキュメント");
             });
         } else { // それ以外の場合
             logger.debug("ViewerContainerFragment", "hasCombined: " + hasCombined);
@@ -184,6 +187,12 @@ public class ViewerContainerFragment extends Fragment {
             viewerViewPagerAdapter.notifyItemRangeChanged(0, 1);
         }
 
+        // サブタイトルとしてパスを表示(暫定)
+        lacertaLibrary.getPublicPath(documentId, ListItemType.ITEM_TYPE_DOCUMENT).thenAccept(publicPath -> {
+            logger.debug("ViewerContainerFragment", "publicPath: " + publicPath);
+            toolbar.setSubtitle("/" + publicPath.parent().getStringPath());
+        });
+
         // Attach tab layout to view pager
         new TabLayoutMediator(tabLayout, viewPager, (tab, position) -> {
             View customView = LayoutInflater.from(getContext()).inflate(R.layout.viewer_custom_tab, null);