Below is the original Drama Triangle Article published in 1968. The reference for this is:
Karpman, S. (1968). Fairy tales and script drama analysis. Transactional Analysis Bulletin, 7(26), 39-43.
This article won the Eric Berne Memorial Scientific Award in 1972 and listed below is the 1973 Drama Triangle Award Speech.
Below that as "Blogs" are followup recent notes on new uses of the Drama Triangle.

Fairy Tales and Script Drama Analysis (.pdf)

Drama Triangle Award Speech (.pdf)

Drama Triangle Update 2007 (.pdf)

Blog. Drama Triangle Update 2007 (.pdf)

Blog. The Alcoholic Family Triangles (.pdf)

Second EBMSA Award Article:

Options (.pdf)

Options Article Award Speech (.pdf)

Article Handouts for Therapy and Workshops:

Five Trust Contracts for Couples (.pdf)

H. MELTS and the Six Fightmakers (.pdf)

Ten Concepts in Treating Alcoholics with TA (.pdf)

Other TA Articles on Relationships:

The Loser's Loop (.pdf)

The Get Fired Loser's Loop (.pdf)

Psychological Blocks to Intimacy (.pdf)

A Useful New Game Formula (.pdf)

Articles on Politics and Psychotherapy:

The Bias Box for Competing Psychotherapies (.pdf)

The ABC's of Hooking the Reader's Child (.pdf)

The Parent Percolator (.pdf)

Who's Zoo on Election Day (.pdf)

Transference as a Game (.pdf)

The Politics of Theory (.pdf)

Lost in Translation (.pdf)

Games Committees Play: The Top Ten
Reasons Your Presentation To The Board
Of Trustees Will Be Unsuccessful (.pdf)