Filters
Ex 3 - Hiroshi Yamamoto
Texas Fold 'Em - Robert Sandfield
Pin-U-Ringit  - R. Journet & CO
Manifold - Jerome Morin-Drouin
Escape from the Tower of London - unknown
Three Little Piggies - Raf Peeters
Tangram - Joost Elffers
Foldology - unknown

Unknown / Paper

Designer: unknown
Maker: Foldology

The Wooden Puzzle Book and Kit - Tangrams - unknown
The World's Best Paper Puzzles - Jack Botermans
Compendium of over 10500 Wire Puzzles  - Dick Hess
The Champion - Eric Stevens
Puzzles Old and New - Professor Hoffmann
“Enter if you can” Puzzle Book - Shane Hales