1Johann Hinrichsen Alt-Aussee AStEGB, Inventory Card The Virgin and Child. The information is corroborated by AStEGB, Letter from Dr. Walter Drack [curator of the Bührle collection] to August Carl, Zurich, 25 November 1952, asking Carl whether he knew where the sculpture had been before its purchase by Hinrichsen.
2August Carl Zurich AStEGB, Receipted invoice from August Carl, Zurich, made out to Emil Bührle, 3 April 1952
3Emil Bührle Zurich • 3 April 1952 until [d.] 28 November 1956 Acquired from both of the above for CHF 65.000, Receipted invoice as above, n. (2), stating that the amount of CHF 50'000 had been transferred to Johann Hinrichsen directly.
4Given by the heirs of Emil Bührle to the Foundation E.G. Bührle Collection Zurich • 1960 Inv. P16.
AStEGB = Archive of the Foundation E.G. Bührle Collection, Zurich
2019Verehrt, Geliebt, Vergessen, Maria zwischen den Konfessionen Stiftung Luthergedenkstätten in Sachsen-Anhalt (Augusteum) • Wittenberg • 2019 no. 21
1973Leopold Reidemeister etc. Stiftung Sammlung Emil G. Bührle • Fondation Collection Emil G. Bührle • Foundation Emil G. Bührle Collection Zurich & Munich • 1973 • no. 181 (ill.;21986).
2005Lukas Gloor, Marco Goldin (ed.)Foundation E.G. Bührle Collection, Zurich, Catalogue vol. 1 • Conegliano & Zurich • 2005 • no. S9 (ill.; German edition: Stiftung Sammlung E.G. Bührle, Katalog • Italian edition: Fondazione Collezione E.G. Bührle, Catalogo).
2021Lukas Gloor «The Holdings of the Emil Bührle Collection: Illustrated List of All 633 Purchases» in The Emil Bührle Collection: History, Full Catalogue and 70 Masterpieces Swiss Institute for Art Research, Zurich (ed.) • Munich • 2021 • no. 562 (ill.).