@book{ 0-1191867625, title = {Die schöne Maria zu Lübeck und ihr Kreis}, series = {Niedersächsische Kunst in Einzeldarstellungen}, author = {Hartlaub, Gustav Friedrich}, address = {Bremen}, publisher = {Angelsachsen-Verl.}, year = {1924}, language = {German}, url = {https://katalog.ub.uni-leipzig.de/Record/0-1191867625} }