I think you are talking about Firefox, you can see your bookmarks going to Bookmarks >> Show all bookmarks, or Shift + Ctrl + B

See more:

• Bookmarks in Firefox

If you do not see the bookmarks on the Bookmarks Toolbar then check if "Bookmarks Toolbar items" is still on the Bookmarks Toolbar.

Make sure that toolbars like the "Bookmarks Toolbar" are visible.

• 3-bar Menu button > Customize > Show/Hide Toolbars
• View > Toolbars
  You can tap the Alt key or press F10 to show the Menu Bar
• Right-click empty toolbar area

Open the Customize window and set which toolbar items to display.

• 3-bar Menu button > Customize

• check that "Bookmarks Toolbar items" is on the Bookmarks Toolbar
• if "Bookmarks Toolbar items" is not on the Bookmarks Toolbar then drag it back from the Customize palette into the Customize window to the Bookmarks Toolbar

• if missing items are in the Customize palette then drag them back from the Customize window on the toolbar
• if you do not see an item on a toolbar and in the Customize palette then click the Restore Defaults button in the Customize palette window to restore the default toolbar set.