First published in 1928, this bibliography lists approximately 3,800 titles on the subject of sponges, spanning the period 1551 1913. Gualtherus Vosmaer was a prolific thinker in this field, and this book is the product of 29 years of intensive research. This near-exhaustive bibliography places little-known works alongside more established papers, a range which made it, on its publication, unique. As such, it is a brilliant resource for discovering lesser-known texts on this extensive subject, and a fascinating compilation of historical writing on Porifera, both living and fossilised. As its...