Journals and Articles: 

Biber, D., et al. "Lexical bundles." Longman grammar of spoken and written English. London: Longman (1999). 

Sinclair, J. O. H. N. "Contrastive lexical semantics." (1998): 1-24. Hsu, Jeng-yih. "An Analysis of the Multiword Lexical Units in Contemporary ELT Textbooks." Online Submission (2006). 

Esimaje, Alexandra Uzoaku. "A Descriptive Survey of the Character of English Lexis in Sermons." SAGE Open 4.4 (2014): 2158244014563044. 

Esimaje, Alexandra Uzoaku. "Register Variation and the Multi-word Item." Theory and Practice in Language Studies 2.1 (2012): 97-104. 


 Book: 

Javier Ruano-Garcia. Early Modern Northern English Lexis: A Literary Corpus-Based Study