U.S. Air Mail Service Pioneers aviation history articles. Airmail milestones early pilots. Photographs of antique airplanes. Post Office ran mail 1919-1927. Commercial airlines worldwide origins. www.airmailpioneers.org
The Foundation's mission is to honor the remarkable historic legacy of Lewis and Clark through research, education, preservation, promotion, and coordination. www.lewisandclark.org
Regarded as "the clearinghouse" for U.S. women's history information and resources, the NWHP site provides excellent links to biography-rich sites for student researchers, program ideas for all constituencies, a downloadable "Test Your Women's History I.Q www.NWHP.org
A non-profit, non-partisan organization which promotes education about Thomas Jefferson through film, web, library, outreach, and numerous support programs. jeffersonlegacy.org
An organization of scholars, union members, students, and citizens promoting a wider understanding of the history of working class people, their communities, and their organizations in the United States. www.lawcha.org
Founded in 1974 to encourage the study of printing history and its related arts and skills, including calligraphy, typefounding, typography, papermaking, bookbinding, illustration, and publishing. printinghistory.org
The Gilder Lehrman Institute of American History promotes interest in history through lectures, exhibitions, teacher seminars, prizes and fellowships, and electronic resources including an online historical textbook and annotated historical documents. www.gliah.uh.edu/index.cfm
An alliance of historical, cultural, and educational institutions created to speak for and to enhance the professionalism and effectiveness of all organizations that collect, hold, interpret and protect the cultural and material heritage of the State. www.mahm.org/general.htm
A non-profit educational organization promotes, in partnership with the National Park Service, the public's understanding, appreciation, and enjoyment of Michigan's Isle Royale National Park and Keweenaw National Historical Park. www.irnha.org
A non-profit organization formed in 1989 to identify and preserve buildings and sites that have historical or archaeological significance to the Hispanic, early Texas, French, and native/indigenous cultures. www.tejanoahp.org
An interdisciplinary group dedicated to the advancement of scholarship in all aspects of the period from the later seventeenth through the early nineteenth century. www.press.jhu.edu/associations/asecs
A nonprofit, tax-exempt organization founded in 1942 to spearhead the creation of Independence National Historical Park. Now develops and publishes web content dealing with Philadelphia and 18th-century American history. www.ushistory.org/iha.html