14th-15th century Roumanians Soldiers

The Battle of Posada, Basarab I of Wallachia against the Hungarians, in 1330 on page 146 of the Képes Krónika, 1360 also appears in another version earlier on page 143 of the Képes Krónika.
75. Roumanian foot-soldier, 14th Century, from Armies of the Middle Ages, Volume 2 by Ian Heath is based on the Battle of Posada in the Képes Krónika as is 129. Vlach infantryman, from Armies of Feudal Europe 1066-1300 by Ian Heath, based on the Battle of Posada against Basarab I of Wallachia in the Képes Krónika
https://forums.totalwar.org/vb/attac...6&d=1514456754

77. Roumanian Cavalryman, 14th Century, from Armies of the Middle Ages, Volume 2 by Ian Heath, based on a Wallachian envoy, delivering a message from Voivode Basarab to Hungarian King Charles Robert prior to the Battle of Posada in the the Képes Krónika. This appears between the 2 versions of the illustration of the Battle of Posada.

Does anyone know of the sources for other Roumanian figures by Ian Heath:
76. Roumanian Foot-Soldier, 15th Century;
78. Roumanian Cavalryman, 15th Century;
79. Roumanian Heavy Cavalryman, 15th Century;
or useful contemporary illustrations of 14th-15th century Roumanians soldiers?

mirror site
Battle of Posada, Basarab I of Wallachia against the Hungarians, in 1330 on page 146 of the Képes Krónika, 1360

Druzhina
14th Century Illustrations of Costume & Soldiers