Permutations,
Wallis, John,
A discourse of combinations. alternations and aliquot parts, Lond. Davis, 1685, 109-176 pp. F®,
No. 1 in **E,191,1
Same, (In Maseres, F., ed. The doctrine of permutations, combinations ‘etc.1. Pp. 269-351, Lond. 1795.) 3923.5- **B,5114.14