The two most important Ancient Greek language bibliographies are those by:
Michel Buijs' A Bibliography of Ancient Greek Linguistics
http://partner.library.uu.nl/vkc/antiquity/knowledgeportal/Wiki/A%20Bibliography%20of%20Ancient%20Greek%20Linguistics.aspx
and
Micheal Palmer's A Comprehensive Bibliography of Hellenistic Greek Linguistics
http://www.greek-language.com/Palmer-bibiography.html
Micheal Palmer has a number of links to other bibliographies as well:
http://www.greek-language.com/Bibliographies.html
