Most Popular Books
- Who's Who on the Postage Stamps of Chile: Philatelic Series, No. 4
- Who's Who on the Postage Stamps of Bolivia: Philatelic Who's Who Series, No. 2
- Who's Who On The Postage Stamps Of Brazil: Philatelic Who's Who Series, No. 3
- Who's Who On The Postage Stamps Of Brazil: Philatelic Who's Who Series, No. 3
