Percussion Instruments, (Mainz, Germany: Schott, 1976), 16, 172-173. Baines, Anthony, The Oxford Companion to Musical Instruments, (New York: Oxford University
(原始内容存档于2020-09-18) 英國國會法令 美國國會法令 Acts of Parliament and statutory instruments are available free on-line under Crown copyright terms from the National
英国皇家学会会士(1932年) 能量单位哈特里以他的名字命名 哈特里中心以他的名字命名 Hartree, D. R. Calculating Instruments and Machines. Urbana: University of Illinois Press. 1949. (also (1950)
Antique Scientific Instruments. London: Aurum Press. 1983. ISBN 0-906053-40-4. Johnston, Stephen. Recorde, Robert (c.1512–1558). Oxford Dictionary of National