11. Official gazette, containing patents, designs & trademarks issued. Bookmark SuDoc number: C 21.5: (v.nos.&nos.)
12. Official gazette, containing patents, designs A trademarks issued. Bookmark SuDoc number: C 21.5: (v.nos.&nos.)
13. Official gazette, containing patents, designs ft trademarks issued. Bookmark SuDoc number: C 21.5: (v.nos.&nos.)
14. Official gazette, containing patents, designs, and trademarks issued. Bookmark SuDoc number: C 21.5: (v.nos.&nos.)