WIA GC/1899/16 | Brockhaus, Heinrich to Warburg, Aby 04/10/1899 | It was a surprise to Brockhaus to read that Warburg had already had his Leonardo lectures; is... |
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/1901/69 | Schäffer, Emil to Warburg, Aby 11/12/1901 | thanks him for the lecture which appeared in print and inquires about the book publication; sends... |
WIA GC/1902/321 | Wolfhagen, G. to Warburg, Aby 24/02/1902 | list of people who were sent copies of Warburg's article 'Bildniskunst', 18 in Germany, 15 in... |
WIA GC/1902/354 | Schaeffer, Emil to Warburg, Aby 08/02/1902 | is very much looking forward to receiving Warburg's book, 'Bildniskunst'; he will review it in... |