1.
Report on the Kegalla District of the Province of Sabaragamuwa
2.
H.C. Zentgraaff contra het echtpaar Székely-Lulofs: Wie was die man?
3.
4.
5.
Notes and Queries - volume 6 - Page 278
Notes and Queries - volume 6 - Page 590
Notes and Queries - volume 9, 3rd Series - Page 280
Notes and Queries - volume 6 - Page 112
X-ray diffraction data of powder drilled from the aragonitic shell of a modern common cockle specimen (Cerastoderma edule), collected at the North Sea coast near Hoek van Holland
Notes and Queries - volume 5, 2nd Series - Page 493
Notes and Queries - volume 3 - Page 373
Notes and Queries - volume 1 - Page 383