Indeksy

• The Peter Pauper Press 1
• The Plough Press, 1
• The Polish Book Imp. Co. Inc., 1
• The Polish Book Import, Co., 2
• The Polish Book Import. Co, Inc., 1
• The Polish Book Importing, 5
• The Polish Freedom Movement, 1
• The Polish Information Commettee, 1
• The Polish Institut of Arts and Sciences in America, 1
• The Polish Ministry of Information, 1
• The Polish Research Centre, 2
• The Poznań Society for the Advancement of the Arts and Sciences : 1
• The Queen's Printing Office, 4
• The Raphael Taubenschlag Foundation [etc.], 1
• The Reader's Digest, 1
• The Religious Tract. Soc., 1
• The Reprint Society, 1
• The Royal Benevolent Society, 1
• The Roycrofters, 1
• The Smith. Instit., 1