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)
Dave Elsmore (private collector)
Noel Julian (private collector)
Philippe Lagny (private collector)
Shane McKenzie (private collector)
Vito Milana (private collector)
Frank Pauer (private collector)
Peter Sparkes (private collector)
David Foot (private collector)
Colin Marshall (private collector)
Evan Davies (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]

Andrew Ballis – Cover Connection

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)

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

Charlie Hamilton ‘Space Cover Store’ (ex-Joseph Volutza) – one of the best online stores for space covers:

Anthony Demola – ‘ad5381’ on eBay (usually has heaps of awesome space covers for sale):

Mark Tukh (private collector, Israel)

Luis Pacheco’s StratoCat website – hands down the best website on the internet about Scientific Balloon launches:

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:

Richard Monteiro – ZEBOOSE:

Stampboards Forum:

Australian Stamp Collector (Facebook group): Australian Stamp Collector