lower left in plate: In Memoriam / Geheimrat / Herman Ehtenberg / Münster i W / 28.IV.1920'; signed by artist, lower right, in graphite: F. Pauli / 1922; by artist, lower left, in graphite: Kreuzigung; by artist, lower right, in graphite: an Frau Geheimrat Mary Ehrenberg
Christopher and Beverly With, Washington, D.C.; gift to NGA, 2012.
- Freiburghaus, Paul. Fritz Pauli, Katalog des graphischen Werkes. Bern, 1982, no. 121.