Harry Hayes

year of pub­li­ca­ti­onISBNauthor(s)title
1974978-0-905222-00-4W.G.Stitt DibdenSquare Circle Postmarks (Philatelic Studies)
  ''978-0-905222-01-1Raymond ListerCollege Stamps of Oxford and Cambridge
1975978-0-905222-02-8H.C. Davis · P.R. DavisPost-Habsburg Index (Philatelic Studies)
1977978-0-905222-12-7Robert G. WoodallPostal History of the Yukon Territory, Canada (Philatelic Studies)
1975978-0-905222-19-6Geoffrey H. BishopBuso-walking at Mohacs, Hungary (Philatelic Pamphlets)