Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 2, pages 49-52
Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 2, pages 53-55
Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 2, pages 56-71
Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 3, pages 73
Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 3, pages 74-76
Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 3, pages 77-115
On the Aculeate Hymenoptera collected by Mr A.J.T. Janse, Normal College, Pretoria, in the Transvaal
Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 3, pages 116-154
Published in Annals of The Transvaal Museum, in 1910, in volume 2, issue 3, pages 170-172