Here's an overview of the published material that followed the original campaign:

1971

• 1971 Dave Arneson begins the Blackmoor Campaign

1972

• Facts about Black Moor, by Dave Arneson, Domesday Book #13

1975

• D&D Supplement II: Blackmoor , by Dave Arneson (TSR). Edited by Tim Kask. Includes original version of the Temple of the Frog.

1977

• First Fantasy Campaign , by Dave Arneson (Judges Guild). Edited by Bill Owen.

1986

• DA1 Adventures in Blackmoor , by Dave Arneson and David J Ritchie(TSR)
  
• DA2 Temple of the Frog , by Dave Arneson and David J Ritchie (TSR). Second version of Temple of the Frog
  
• Garbage Pits of Despair Part I, by Dave Arneson, published in Different Worlds Magazine #42
  
• Garbage Pits of Despair Part II, by Dave Arneson, published in Different Worlds Magazine #43

1987

• DA3 City of the Gods , by Dave Arneson and David J Ritchie (TSR)
  
• DA4 Duchy of Ten , by David J Ritchie (TSR). Dave Arneson was not credited for this module.

1997

• The Achbarony of Blackmoor, by Frederick Weining, published in Oerth Journal #5. Edited by Erik Mona.
  
• Robilar Remembers: Journey to the City of the Gods, published in Oerth Journal #6 by Rob Kuntz and Dave Arneson

2003

• Dave Arneson's company Zeitgeist Games obtains Blackmoor lisence from Wizards of the Coast.
  
• Guardians of the Docrae, by Ari Marmell, published in Dragon Magazine (Paizo)

2004

• Dave Arneson's Blackmoor d20 Hardback, by Dave Arneson etc (ZGG)
  
• The Land of Black Ice, by Wolfgang Baur, published in Dungeon Magazine #115 (Paizo)

2005

• The Clockwork Fortess, by Wolfgang Baur, published in Dungeon Magazine #126 (Paizo)

2006

• Dave Arneson's Blackmoor d20 Softcover, by Dave Arneson etc (ZGG)
  
• Dungeons of Castle Blackmoor, by Dave Arneson etc (ZGG)
  
• The Redwood Scar (Dave Arnesons Blackmoor) by Jeff Quinn (ZGG)
  
• The Wizards Cabal (ZGG)
  
• Player's Guide to Blackmoor (ZGG)

2007

• Return to the Temple of the Frog by Ted Albert (WotC) - 3rd version of Temple of the Frog

2008

• Temple of the Frog, by Harley Stroh (ZGG) - 4th version of Temple of the Frog
  
• Clock and Steam (D&D 3.5 Edition) by Rodney Thompson
  
• Riders of Hak (D&D 3.5 Edition) by Dave Brainard and Tad Kilgore
  
• City of the Gods, by Harley Stroh (ZGG) - 2nd version of City of the Gods
  
• Dungeons & Dragons 4E: Dave Arneson's Blackmoor (ZGG/CMP)

2009

• Blackmoor Lisence to ZGG is not renewed by WotC

2013

• OD&D Book V: Blackmoor, by Dave Arneson, published as part of Original Dungeons & Dragons Reprint Set (WotC)

See anything missing?

-Havard

I had forgotten to add these two 2008 books

Quote:

• Clock and Steam (D&D 3.5 Edition) by Rodney Thompson
  
• Riders of Hak (D&D 3.5 Edition) by Dave Brainard and Tad Kilgore

-Havard