Guide to Periodical Abbreviations
Periodicals Abbreviations - A useful list of periodical abbreviations. From the home page, "All That JAS: Journal Abbreviation Sources is a registry of Web resources that list or provide access to the full title of journal abbreviations."
Medline/Pubmed Abbreviations - Citations in medical journals often provide only an abbreviation for the journal being cited. Quite often these abbreviations are little help in figuring out what the actual title is. This searchable guide allows you to enter the abbreviation and find the title.