On the diversity of pants in the imperial and royal army (1867-1918) : military unification and possibilities for territorial cooperation - Čolij, Serhij Vasylʹovyč (. Kooperatives Imperium. - Göttingen : Vandenhoeck & Ruprecht, [2018]. - VI, 328 Seiten. - Illustrationen, Diagramme. - ISBN 3-525-37069-5, 2018)