Bonn zoological bulletin - Zoologisches Forschungsmuseum Alexander Koenig. (Zoologisches Forschungsmuseum Alexander Koenig, 2010)

London Naturalist - London Natural History Society. (London Natural History Society, 2001)

London Naturalist - London Natural History Society. (London Natural History Society, 2001)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1986)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1986)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1986)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1986)