Template:Walker, 1850a
- Walker, F. 1850. Diptera. Part I, pp. 1–76. In [Saunders, W.W. (ed.)], Insecta Saundersiana: or characters of undescribed insects in the collection of William Wilson Saunders, Esq., F.R.S., F.L.S., &c. Vol. 1. Van Voorst, London. 474 pp. BHL