Published in Notes from the Leyden Museum, in 1898, in volume 20, pages 21-28

Published in Notes from the Leyden Museum, in 1898, in volume 20, pages 29-32

Published in Notes from the Leyden Museum, in 1898, in volume 20, pages 33-34

Published in Notes From The Leyden Museum, in 1898, in volume 20, pages 77-80

Published in Notes from the Leyden Museum, in 1898, in volume 20, pages 87-88

Published in Notes of the Leyden Museum, in 1898, in volume 20, pages 137-161

Published in Notes Leyden Mus., in 1898, in volume 20, pages 163-184

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 35-48

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 49-50

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 51-62

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 65-76

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 81-83

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 84-86

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 89-91

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 92

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 1, pages 93-96

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 2/3, pages 97-100

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 2/3, pages 101-108

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 2/3, pages 109-112

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 2/3, pages 113-125

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 2/3, pages 126-128

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 2/3, pages 129-136

Published in Notes From The Leyden Museum, in 1898, in volume 20, issue 2/3, pages 162