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The University of Iowa Libraries

The University of Iowa Libraries


Gray/Grey Literature: About Gray/Grey Literature

A selection of written research material not commercially published and not widely disseminated.

Graphic Description

Gray Literature

About Gray/Grey Literature


  • Not usually available through sale
  • Publication is not systematic
  • May be difficult to locate
  • Contains significant research information
  • Includes unpublished research
  • Contains high level of detail

Document types include:

  • Pre-Prints
  • E-Prints
  • Academic Works
  • Commission Reports
  • Committee Reports
  • White Papers
  • Technical Reports
  • Government Reports
  • Conference Reports
  • Technical Standards
  • Dissertations
  • Theses
  • Working Papers
  • Market Surveys
  • Data Sets


Jennifer DeBerg,
Hardin Library Clinical Education Librarian 

Marianne Mason,
U.S. Federal and State Information Librarian

Sara Scheib,
Sciences Research and Instruction Librarian