Sources for Ian Heath's illustrations of 12th & 13th century knights in Armies and Enemies of the Crusades 1096-1291:
3. Frankish knight c.1097 (http://warfare2.netai.net/Medieval/Crusades-3-Knight_1097.htm) based on a painted window in the monastery church of St Denis in Paris (http://warfare.atwebpages.com/Franks/St_Denis-Plate-50-Vol-1.htm)
4. Frankish knight c.1150 (http://warfare2.netai.net/Medieval/Crusades-4-Knight_1150.htm) perhaps based on Roland and the Knights on their way to Compostela in the Codex Calixtinus (http://warfare.atspace.eu/Medieval/Codex_Calixtinus-162v.htm)
5. Frankish knight c.1189 (http://warfare2.netai.net/Medieval/Crusades-5-Knight-c1189.htm) based on the seal of Richard Coeur-de-Lion (http://warfare2.netai.net/Medieval/Crusades-5-Seal_of_Richard_I.htm) & the 2nd seal of Richard Coeur-de-Lion (http://warfare2.netai.net/Medieval/Crusades-5-2nd_Seal_of_Richard_I.htm)
6. Frankish knight c.1250 (http://warfare2.netai.net/Medieval/Crusades-6-Knight_1250.htm) - see similar costume in Histoire d'Outremer par Guillaume de Tyr, Northern France, between 1232 and 1261 (http://warfare.atspace.eu/Medieval2/Histoire_dOutremer-Yates_Thompson_12-109v.htm)
7. Frankish knight c.1275 (http://warfare2.netai.net/Medieval/Crusades-7-Knight_1275.htm) based on the seal of John de Montfort, lord of Tyre and Toron (1270-1283) (http://warfare2.netai.net/Medieval/John_de_Montfort-seal.htm)
(http://forums.totalwar.org/vb/attachment.php?attachmentid=11145&d=1383115849)
Druzhina
Illustrations of Costume & Soldiers (http://warfare.atspace.eu/index.htm)
Nice one.
I DO like Ian Heath's stuff !
Cheers - Phil.