Institution
- Pillsbury Food Products, Minneapolis, Minnesota1
- Pillsbury Home Service Center1
- Pillsbury Mills, Inc.1
- Plant Flour Mills Co., St. Louis, Missouri1
- Planters1
- Plymouth Rock, New York 1
- Portable Kitchens Division of Hamlin Products, Inc.1
- Poultry & Egg National Board1
- Presbyterian College74
- Prince Golden1
- Private Collection216
- Private Collection 75
- Private Collection 0021
- Private Collection 0082
- Private Collector2
- Private Collector 016;Ruddy,Drew (photographer)3
- Private Collector 0211
- Private collection1
- Private collection 0081
- Private collection 0092