2001The Significance of Word Lists. Stanford, Calif.: Center for the Study of Language and Information.
Koerner, E. F. Konrad
1989Practicing Linguistic Historiography. Amsterdam & Philadelphia: Benjamins.
Pólya, George, Robert E. Tarjan & Donald R. Woods
1983Notes on Introductory Combinatorics. Boston: Birkauser.
Ringe, Donald
1992On Calculating the Factor of Chance in Language Comparison. Philadelphia: American Philosophical Society.
Young, Thomas
1819 “Remarks on the Probabilities of Errors in Physical Observations, and on the density of the earth, considered, especially, with regard to the reduction of experiments on the pendulum”. Philosophical Transactions of the Royal Society of London 109.70–95.