Published in Revue Zoologique Africaine. Bruxelles, in 1919, in volume 7, pages 1-29
Published in Revue Zoologique Africaine. Bruxelles, in 1919, in volume 7, pages 186-187
Published in Revue Zoologique Africaine, in 1919, in volume 7, pages 158-161
Published in Revue Zoologique Africaine, in 1919, in volume 7, pages 67
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 241
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 65-114
Published in Revue Zoologique Africaine, in 1919, in volume 7, pages 79-91
Published in Revue Zoologique Africaine, in 1919, in volume 7, pages 69-76
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 127-137
Published in Revue Zoologique Africaine, in 1919, in volume 7, pages 107-154
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 50-61
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 171-180
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 62-64
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 10-38
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 229-240
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 243-250
Published in Revue de Zoologie Africaine, in 1919, in volume 7, pages 158-161
Published in Rev. Zool. Africaine, in 1919, in volume 7, pages 155-157
Published in Revue de Zoologie Africaine, in 1919, in volume 6, pages 138-144
Published in Revue Zoologique Africaine, in 1919, in volume 6, pages 1-9