This issue of the journal includes these papers on contrastive linguistics: "A Question of Imperatives" (Tom Wachtel); "Contrastive Sociolinguistics--Some Methodological Considerations" (Karol Janicki); "How to Describe Phonological Variation" (Thomas Herok, Livia Tonelli); "Towards a Contrastive Pragmalinguistics" (Philip Riley); "The Perception and Imitation of Aspiration by Polish Speakers" (Danuta Wolfram-Romanowska); "Some Aspects of the So-Called Verbal Deletion in English and Polish" (Malgorzata Gorna); "The Transfer of Communicative Competence" (Carl James); "Equivalence in Phonology: The Case of Finnish Stops vs. English Stops" (Kari Suomi); "Towards a Pedagogical Contrastive Phonology" (Wieslaw Awedyk); and "Contrastive Studies and Interlanguage" (Janusz Arabski). (MSE)