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file T (Stack)Wallis, Faith
The Calculating Hand: Finger Reckoning and Computus Texts
Warburg Institute, February 7, 1991. (Pamphlet of instructions and mnemonics for 'finger reckoning', probably distributed at a lecture or conference at the Warburg Institute, London). Presented by Professor G. L'E. Turner
[1991-131]
1991