Filters
Impossible Burr - Saul Bobroff
Threepence - Stewart Coffin
Doubleplay  - Stewart Coffin
Piggy Box - Stewart Coffin
Double Feature - Stewart Coffin
Pants Puzzle - William Waite
Running out of Ideas - Stewart Coffin
Drop in - Stewart Coffin
Restricted Area 270-A - Stewart Coffin
Red Loop Puzzle - unknown
Cover It Up - Robert Reid