Bernard Comrie (editor): The World's Major Languages, Oxford University Press, New York – Oxford 1990.
Keith Denning, Suzanne Kemmer (ed.): On language: selected writings of Joseph H. Greenberg, Stanford University Press, 1990. Selected parts are available on googlebooks.
Victoria Fromkin, Robert Rodman, Nina Hyams: An Introduction to Language, Thompson Wadsworth, 2007.
Joseph H. Greenberg: A quantitative approach to the morphological typology of language, 1960. Available through JSTOR and in Denning et al. (1990), p. 3–25. There is also a good a short summary.
Gregory Grefenstette, Nasredine Semmar, Faïza Elkateb-Gara: Modifying a Natural Language Processing System for European Languages to Treat Arabic in Information Processing and Information Retrieval Applications, Computational Approaches to Semitic Languages – Workshop Proceedings, University of Michigan 2005, p. 31-38. Available at .
Jan Hajič: Reliving the history: the beginnings of statistical machine translation and languages with rich morphology, IceTAL'10 Proceedings of the 7th international conference on Advances in natural language processing, Springer-Verlag Berlin, Heidelberg, 2010. Abstract available at .
Helena Lehečková: Úvod do ugrofinistiky, Státní pedagogické nakladatelství, Praha 1983.
Robert Lord: Teach Yourself Comparative Linguistics, The English Universities Press Ltd., St Paul's House, London 1967 (first edition 1966).
Hans Christian Luschützky: Uvedení do typologie jazyků, Filozofická fakulta Univerzity Karlovy, Praha 2003.
J. Vendryes: Language – A Linguistic Introduction to History, Kegan Paul, Trench, Trubner Co., Ltd., London 1925 (translated by Paul Radin)
