The Air Mails of Canada and Newfoundland (AAMS, 1997, Hardbound, 552 pages)

Canadian Revenues - Vol 5, The Atlantic Provinces (Edward Zaluski, 1992, Spiral bound, 138 pages)

Cancelled by Perkins Bacon (Peter Jaffe, 1998, Hardbound, 91 pages)

The Last Stamps of Newfoundland (John Ayshford, 1978, Stapled, 20 pages)

Newfoundland Air Mails 1919-1939 (C.H.C. Harmer, 1984, Hardbound, 181 pages)

Newfoundland Cents Issue Covers - A Census (Robert H. Pratt, 1989, Cyrlox bound, 137 pages)

Newfoundland Specialized Stamp Catalogue (John M. Walsh, 2021, PDF)
Web site

The Nineteenth Century Postal History of Newfoundland (Robert H. Pratt, 1985, Hardbound, 771 pages)

Pence Issues of Newfoundland (Robert H. Pratt, 1981, Hardbound, 192 pages)

The Postage Stamps and Postal History of Newfoundland (Winthrop S. Boggs, 1975, Hardbound, 251 pages)