Published in Notes from the Leyden Museum, in 1914, in volume 36, pages 148-156

Published in Notes from the Leyden Museum, in 1914, in volume 36, pages 157-161

Published in Notes from the Leyden Museum, in 1914, in volume 36, pages 263-270

Published in Notes from the Leyden Museum, in 1914, in volume 36, pages 91-147

Published in Notes From The Leyden Museum, in 1914, in volume 36, pages 61-80

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 1-46

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 162

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 163-164

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 165-169

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 170-172

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 173-174

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 175-176

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 177-189

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 47-48

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 191-192

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 3/4, pages 259-262

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 49-53

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 54-56

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 57-59

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 60

Published in Notes From The Leyden Museum, in 1914, in volume 36, issue 1/2, pages 81-90