@inbook{Ergang+1941+1+10,
url = {https://doi.org/10.7312/erga93984-002},
title = {I. Introduction},
booktitle = {The Potsdam Führer},
booktitle = {Frederick William I, Father of Prussian Militarism},
author = {Robert Ergang},
publisher = {Columbia University Press},
address = {New York Chichester, West Sussex},
pages = {1--10},
doi = {doi:10.7312/erga93984-002},
isbn = {9780231896412},
year = {1941},
lastchecked = {2026-04-29}
}