WIA FC/1902/9/53 | Warburg, Aby to Warburg, Mary 08/07/1902 | forwards one sheet from his diary; in the morning he left Ostend for Bruges; he visited the city... |
WIA FC/1911/5/10 | Warburg, Aby to Warburg, Mary 22/05/1911 | the previous day was a beautiful spring day; he went to Potsdam to visit du Bois-Reymond; they... |
WIA GC/1901/101 | Vermeylen, August to Warburg, Aby 27/06/1901 | apologizes for late reply; replies to Warburg research inquiry; the papers of the Italian colony... |
WIA GC/1902/162 | Gilliodts van Severen, Louis to Warburg, Aby 25/08/1902 | informs him that the baptismal, marriage and death registers are going back only to the 16th... |
WIA GC/1911/290 | Gilliodts van Severen, Louis to Warburg, Aby 08/03/1911 | supplies decimal equivalences for measurements called 'verge' or 'roede' in Bruges |