Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 209-233

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 195-207

Published in Notes from the Leyden Museum, in 1897, in volume 18, pages 225-240

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 133-134

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 117-124

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 131-132

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 163-173

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 177-183

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 189-193

Published in Notes from the Leyden Museum, in 1897, in volume 19, pages 73-113

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 1-25

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 26-66

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 115-116

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 125-126

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 127-128

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 129-130

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 1/2, pages 135-136

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 145-162

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 174-176

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 185-188

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 194

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 234

Published in Notes From The Leyden Museum, in 1897, in volume 19, issue 3/4, pages 235-240

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 209-212

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 213-216

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 217-220

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 221-222

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 223-224

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 258

Published in Notes From The Leyden Museum, in 1897, in volume 18, issue 4, pages 259-260