Online Documents
Hofmann Talks
document written by Jerald and Sandra Tanner which gives far more information about this incident

Dickinson Poem
 

Mainstream Publications
Salamander: The story of the Mormon forgery murders, by Linda Sillitoe and Allen Roberts.
This was the first book written on this subject

The Mormon Murders by Steven W. Naifeh and Gregory W. Smith.
Second book written on this subject, considered by many to be rather sensationalistic

A Gathering of Saints: A true story of money, murder and deceit, by Robert Lindsey
This book is considered by many to be the best of the four

Victims: The LDS Church and the Mark Hofmann case, by Richard E. Turley, Jr.
This was the fourth book written on this subject and the only one of the four to expose the bombshell of the Church's possession of the McLellin collection all along. Interestingly, it hit the market only after the statute of limitations for obstruction of justice had expired