◊ Praasterink - Buttingha Wichers (1934-1937)
◊ J.C. van Waveren - Buttingha Wichers (1937-1939)
◊ R.E. Smits - Buttingha Wichers (1939)
◊ specimen
◊ Praasterink - Buttingha Wichers (1934-1937)
◊ J.C. van Waveren - Buttingha Wichers (1937-1939)
◊ R.E. Smits - Buttingha Wichers (1939)
◊ specimen
◊ Praasterink - Buttingha Wichers (1934-1937)
◊ J.C. van Waveren - Buttingha Wichers (1937-1939)
◊ R.E. Smits - Buttingha Wichers (1939)
◊ specimen
◊ J.C. van Waveren - Buttingha Wichers (1938-1939)
◊ specimen
◊ J.C. van Waveren - Buttingha Wichers (1938-1939)
◊ specimen
◊ J.C. van Waveren - Buttingha Wichers (1938-1939)
◊ specimen
◊ J.C. van Waveren - Buttingha Wichers (1938-1939)
◊ specimen
◊ J.C. van Waveren - Buttingha Wichers (1938-1939)
◊ specimen