- Year 1903
- 24-10-1903. Dinner with Gustav Mahler.
- Hendrik Jan de Marez Oyens (1843-1911).
- Keizersgracht No. 317.
- Year 1904
- 21-10-1904 Visited by Gustav Mahler.
- Hendrik Jan de Marez Oyens (1843-1911).
- Keizersgracht No. 317.
- Left (father): Keizersgracht No. 315. House Gerrit Hendrik de Marez Oyens.
- Right (son): Keizersgracht No. 317: House Hendrik Jan de Marez Oyens (1843-1911).
House Hendrik Jan de Marez Oyens (right).
House Hendrik Jan de Marez Oyens (right).
House Hendrik Jan de Marez Oyens (right).
House Hendrik Jan de Marez Oyens (right).
House Hendrik Jan de Marez Oyens.
House Hendrik Jan de Marez Oyens (right).
House Hendrik Jan de Marez Oyens. Entrance.
House Hendrik Jan de Marez Oyens. Walkway.
House Hendrik Jan de Marez Oyens. Room.
House Hendrik Jan de Marez Oyens. Back.
House Hendrik Jan de Marez Oyens. Garden shed.