Mixed tournaments: references and further reading

Steiner systems
A list of Steiner systems, i.e. block designs with λ=1

The Fabulous (11, 5, 2) Biplane
A very readable account of the Paley biplane 2-(11,11,5,5,2) by Ezra Brown

On Wikipedia:

Block designs
Non-cyclic simple groups of small order

Introduction to tournament plans
Explanation of list of tournament plans
List of tournament plans
Notation used for block designs
Some infinite sets of block designs
Further reading on block designs