No.	Title	Date
1	Serie v.d. schilders, 1, [1922]	1922
2	Serie v.d. schilders, 4., [1922]	1922
3	Complete Map of the Airlines of K.N.I.L.M., Royal Netherlands Indies Airways, [ca. 1935]	1935
4	Community managed disaster risk reduction (CMDRR) and climate change adaptation (CCA) in Malawi	2010
5	Book review: Lodge, T. 2010. The Everglades Handbook: Understanding the Ecosystem. 3rd edition. CRC Press	2011