Sabbatini, Mark (February 2010). Roppolo, Bryan (ed.). "Castle of Tharoggad". Retrogaming Times Monthly. No. 69. Archived from the original on 7 February 2010.
Boyle, L. Curtis. "Castle of Tharoggad". Tandy (TRS-80) Color Computer Games. Archived from the original on 12 September 2009.
Sabbatini, Mark (February 2010). Roppolo, Bryan (ed.). "Castle of Tharoggad". Retrogaming Times Monthly. No. 69. Archived from the original on 7 February 2010.
Grant of license to reproduce Dungeons of Daggorath by Douglas J. Morgan "I hereby grant a non-exclusive permanent world-wide license to any and all Color Computer site administrators, emulator developers, programmers or any other person or persons who wish to develop, produce, duplicate, emulate, or distribute the game on the sole condition that they exercise every effort to preserve the game insofar as possible in its original and unaltered form. ... Anyone willing to pay for the copying of the listing (at Kinko's) and shipment to them, who intends to use it to enhance or improve the emulator versions of the game is welcome to it".
