* History of Tarpon Springs, Florida sponge industry* Nature's 'fibre optics' experts* The Sponge Reef Project* Queensland Museum FAQ about sponges* Sponge Guide from Queensland Museum, John Hooper* Sponge Guide for Britain and Ireland, Bernard Picton, Christine Morrow & Rob van Soest* World Porifera database, the world list of extant sponges, includes a searchable database.
* History of Tarpon Springs, Florida sponge industry* Nature's 'fibre optics' experts* The Sponge Reef Project* Queensland Museum information about sponges* Queensland Museum Sessile marine invertebrates collections* Queensland Museum Sessile marine invertebrates research* Sponge Guide for Britain and Ireland, Bernard Picton, Christine Morrow & Rob van Soest* World Porifera database, the world list of extant sponges, includes a searchable database.