Although most of these guides are older, they may prove useful to get an overview of the subject or to help in doing historical research, as long as you're aware that some information may be dated.
ARBA in Depth: Economics and Business. Dillon, Martin and Shannon Graff Hysell, eds. 2004
Perkins/Bostock Ref. HB71 .A733 2004
Compiles 531 lengthy and signed reviews (usually several paragraphs) of reference sources reviewed in ARBA (American Reference Books Annual) from 1997 through 2003. The reviews are organized into 16 chapters by subject (General Works, Consumer Guides, Labor, Marketing & Trade, etc.), each of which is subdivided into sections (e.g., Bibliography, Directories, Handbooks, etc.). The majority of works relate to business, with relatively few relating to theoretical or historical economics.
Fletcher, John. Information Sources in Economics. 2nd ed., 1984.
Perkins/Bostock Ref. HB71 .I53 1984
Combines information about basic research sources, such as bibliographies, periodicals, statistics, and subject bibliography essays written by economists.
Sichel, Beatrice. Economics Journals and Serials: An Analytical Guide. 1986.
Perkins/Bostock Ref. HB71 .S534 1986
Annotated list of journals as of the publication date.
Webb, William H. Sources of Information in the Social Sciences: A Guide to the Literature. 3rd ed., 1986.
Perkins/Bostock Stacks H53.U6 S687 1986
Chapter 4, "Economics and Business Administration," pp. 213-274, provides a concise introduction to the field of economics, plus a guide to reference and statistical sources, journals, and some online databases.
Zaremba, Joseph. Statistics and Econometrics. 1980.
Library Service Center 016.5195 Z36, S797, 1980
Annotated list of journals in these fields as of the publication date, but most will are still being published.