Stock Photos purchased royalty free from Dreamstime.com:
*Girl with the crossbow: Alena Deudaeva (https://www.dreamstime.com/dudaeva_info)
*Scrabble Board: Robert Semnic (https://www.dreamstime.com/semnic_info)
*Man in armour (Tom): Dmytro Zinkevych (https://www.dreamstime.com/zinkevych_info)
*Girl with chainmail (Susanna) Sergey Klopotov (https://www.dreamstime.com/sergey856_info)
*Henry VI: Georgios Kollidas (https://www.dreamstime.com/georgios_info)
*Edward IV: As above
*Buster Keaton (I think the copyright is out – I have no record)
*Jan van Eyck painting (3 Nov 2019 post): Felix Bensman (https://www.dreamstime.com/flik47_info)