The rule of the first Order of saint Francis : a brief introduction for clericos and lay-brothers / by fr. Thomas Villanova Gerster à Zeil . ; translated from the fourth revised german edition by fr. Severin M. à Monachio O.M.Cap.
. – Pittsburgh[Bolzano : The Capuchin Province of st. Augustin : Tip. VogelWeider], 1930
. – 234 p. ; 20 cm