The Health and Hygienic Aspects of Physical Education as seen by Polish Physicians (until 1914) : Their Importance for Teacher Training - Kalamacka, Ewa (. New aspects of sport history ; [Hauptbd.]. - 1. Aufl.. - Sankt Augustin : Academia-Verl., 2007. - 450 S.. - Ill.. - ISBN 978-3-89665-395-6, 2007)