WIA GC/1899/37 | Warburg, Aby to Horne, Herbert P. 02/06/1899 | [Heinrich] Brockhaus told him that next day the painting by [Andrea del] Castagno will be... |
WIA GC/1899/4 | Warburg, Aby to Brockhaus, Heinrich 09/03/1899 | Warburg wrote that [Herbert P.] Horne has visited Warburg two days ago, but Warburg was out... |
WIA GC/1899/6 | Brockhaus, Heinrich to Warburg, Aby 25/05/1899 | is very sorry that Warburg is not well; sends him requested books except for Fritz Knapp, as it... |
WIA GC/1899/7 | Brockhaus, Heinrich, to Warburg, Aby 28/05/1899 | notes from Heinrich Brockhaus, Herbert Horne and two other unidentified other authors regarding... |
WIA GC/1902/201 | Warburg, Aby to Horne, Herbert P. 23/04/1902 | thanks him for 'souvenirs' ['Botticelliana'] which are of interest to Botticelli students... |