Osprey books series
Osprey Elite series: Knights at tournament
Christopher Gravett

Tournaments: Jousts, Chivalry and Pageants in the Middle Ages
Richard Barber and Juliet Barker
The Boydell Press, Woodbridge

Andrea Hopkins
Grange Books, London

Heraldry: Pictorial archive for artists and designers
Aurthur C. Fox-Davies
Dover Publications, Inc., New York

A Complete Guide to Heraldry
Aurthur C Fox-Davies
Bonanza Books, New York

Heraldry:Sources, Symbols and Meanings
Ottfried Neubecker
McGraw-Hill Book Co.

Codex Manesse
(This is all in German but the illustrations are an excellent primary source for Crest and barding/trapper ideas)