Onderdonk Catalogues Raisonnés Project
Lisa and Harry Halff are currently preparing the catalogues raisonnés on both Julian Onderdonk (American, 1882-1922) and his father, Robert Onderdonk (American, 1852-1917). We are interested in receiving any information concerning paintings and drawings as well as letters and documents concerning Robert and Julian Onderdonk or their works. Please contact us. All information will be kept confidential.