1. IDENTIFICATION OF URATE CRYSTALS IN GOUTY SYNOVIAL FLUID
2. A historical note: leeuwenhoek's description of crystals from a gouty tophus
3. : Analysis of the calculus vesicae, 1776, The Chemical Essays of Charles William Scheele. Translated from the transactions of the Academy of Sciences of Stockholm, London, J Murray, 1787, p 199
4. : A Treatise on Gout and Rheumatic Gout (Rheumatoid Arthritis). Third edition. London, Longmans, Green and Co, 1976