I would like to thank the following people/groups for their contribution to my knowledge & therefore to this website:

Michael Eastick & Associates (especially Michael, Drew & Peter)

Brad Baker (private collector)

Noel Julian (private collector)

Frank Pauer (private collector)

Vito Milana (private collector)

Shane McKenzie (private collector)

David Edwards’ excellent Australian FDC Guide website

Eddie Bizub – one of the nicest guys you’ll ever meet
Liberty Bell 7 Space Covers

Rod Perry / The National Stamp Gallery website [No longer online]

Philippe Lagny (private collector, France)

David Ball / American Astrophilately
American Astrophilately 2.0 – Intersection of Space and Postal History

Chris Calle / Artist and US Space Cover specialist
First Day Covers ~ Chris Calle

Dennis Ranski (private collector & space cover designer, USA)

Ross Smith – Australian Woomera Covers (the best website on Aussie space covers)

Jeff Mills – Souvenirs of Space (excellent website with information about Goldcraft space covers)

Tom Steiner (private collector, USA)

Joseph Volutza – Space Cover Store (one of the best online stores for space covers)

Barry Salmonsen – ‘texbcs’ on eBay (a great source of scarce/unusual space covers and a terrific guy to deal with)

Mark Tukh (private collector, Israel)

Richard Monteiro – ZEBOOSE

Andrew Ballis – Cover Connection

Collective Philatelic Works of Two Meteorologists (Don Hillger & Garry Toth) – an invaluable resource that I absolutely love !

Owen R Murray – Morris W. Beck Naval Covers

1950s-70s Space Race to The Moon (Early Space Blog) – by Lee Kok How

NASA Local Post and Space City Cover Society

Stampboards Forum

Australian Stamp Collector (Facebook group)
Australian Stamp Collector