Maciej Dorna. Knights of Christ of Prussia, a forgotten 13th century military order. Tallinn: Eostre, 2024. 48 pp., 27 illus., 6 maps. ISBN 978-9916-767 06-1. - Waraksa, Igor (Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, 2025)