The Prosobranchia of the Siboga Expedition - Schepman, M. M. (Mattheus Marinus), 1847 -1919 (E. J. Brill, 1913)

The Prosobranchia of the Siboga Expedition - Schepman, M. M. (Mattheus Marinus), 1847 -1919 (E. J. Brill, 1913)

Siboga expeditie - Weber, Max, 1852 -1937 (Brill, 1913)

Siboga expeditie - Weber, Max, 1852 -1937 (Brill, 1913)

The veliger - California Malacozoological Society. (California Malacozoological Society, 2006)