California: Underwood–Miller(1993)ISBN 978-0887331770,第56–59頁 Mick Wall《The truth behind the Led Zeppelin legend》《泰晤士報》(2011-07-29),第15–16頁 Mick Wall《The
Richard Owen and the discovery of the parathyroid glands (PDF). E. Ashworth Underwood (编). Science, Medicine and History. Essays on the Evolution of Scientific