In his 2005 book Analogy as Structure and Process, Itkonen argues that
analogy is the most central concept in language formation. He proposes a distinction between analogy as structure, referring to a static relation between different systems; and analogy as process, or a dynamism which produces analogical structures. According to Itkonen, various forms of analogical reasoning are hidden behind other terminology in the study of language and other
cognitive domains.[4]
Books in English
(1975) Concerning the Relationship between Linguistics and Logic. University of Helsinki.
(1976) Linguistics and Empiricalness : Answers to Criticisms. University of Helsinki.
ISBN9789514508905
(1978) Grammatical Theory and Metascience : A Critical Investigation into the Methodological and Philosophical Foundations of "Autonomous" Linguistics. John Benjamins.
ISBN9027209065
(1983) Causality in Linguistic Theory : A Critical Investigation into the Philosophical and Methodological Foundations of 'Non-Autonomous Linguistics'. Indiana University Press.
ISBN0253313252
(1991) Universal History of Linguistics : India, China, Arabia, Europe. John Benjamins.
ISBN9789027277671
(2003) Methods of Formalization beside and inside Both Autonomous and Non-autonomous Linguistics. University of Turku.
ISBN9512924854
(2003) What Is Language? : A Study in the Philosophy of Linguistics. University of Turku.
ISBN9512926172
(2005) Analogy as Structure and Process : Approaches in Linguistic, Cognitive Psychology, and Philosophy of Science. John Benjamins.
ISBN9789027294012
(2005) Ten Non-European Languages : An Aid to the Typologist. University of Turku.
ISBN9789512927692
^Itkonen, Esa (1974). Linguistics and metascience (PhD thesis). University of Turku.
ISBN951-99029-4-5.
^Glaz, Adam (2016). "Book review: Esa Itkonen, Analogy as structure and process. Approaches in linguistics, cognitive psychology and philosophy of science". Word. 62 (2): 139–142.
doi:
10.1080/00437956.2016.1180003.
S2CID148454697.