Published in Notes of the Leyden Museum, in 1911, in volume 33, pages 81-106

Published in Notes from the Leyden Museum, in 1911, in volume 33, pages 117-120

Published in Notes from the Leyden Museum, in 1911, in volume 33, pages 121-168

Published in Notes from the Leyden Museum, in 1911, in volume 33, pages 169-174

Published in Notes from the Leyden Museum, in 1911, in volume 33, pages 193-218

Published in Notes from the Leyden Museum, in 1911, in volume 33, pages 239-240

Published in Notes From The Leyden Museum, in 1911, in volume 33, pages 249-260

Published in Notes From The Leyden Museum, in 1911, in volume 33, pages 261-264

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 4, pages 241-247

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 4, pages 248

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 2/3, pages 107-110

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 2/3, pages 111-112

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 2/3, pages 113-116

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 2/3, pages 175-192

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 2/3, pages 219-222

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 2/3, pages 223-232

Published in Notes From The Leyden Museum, in 1911, in volume 33, issue 2/3, pages 233-238

Published in Notes From The Leyden Museum, in 1911, in volume 34, pages 1-3

Published in Notes from the Leyden Museum, in 1911, in volume 34, pages 4-8

Published in Notes van de Leyden Museum, in 1911, in volume 34, pages 9-16

Published in Notes from the Leyden Museum, in 1911, in volume 34, pages 25-30

Published in Notes from the Leyden Museum, in 1911, in volume 34, pages 171-174

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 17-21

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 22-24

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 37-43

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 44-50

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 51-53

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 54

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 55-58

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 59-65

Published in Notes From The Leyden Museum, in 1911, in volume 34, issue 1, pages 66-69