F. E. Knowles
A word-frequency dictionary of Polish journalistic texts
A bibliography of Russian linguistics and language studies
A BRIEF COMPENDIUM OF POLISH GRAMMATICAL AND LEXICAL INFORMATION
A glossary of basic Russian-Polish lexical correspondences / F. Knowles & L. Hobbs
Bibliography for mathematical linguistics
Contrastive phonology of Polish and Russian
English-Polish phrasebook of basic colloquialisms
Papers in Slavonic Linguistics I
Papers in Slavonic linguistics II