Hartman, L., Shapiro, C., & Brigham, D. (1988). Beyond the blackboard: A guide to regional museum resources (2nd ed. / edited by Louise Hartman, Carolyn Shapiro ; 1st ed. compiled by Diane Brigham.). [Philadelphia, PA]: Museum Council of Philadelphia and the Delaware Valley.

Hartman, Louise., Carolyn Shapiro, and Diane Brigham. Beyond the Blackboard: A Guide to Regional Museum Resources. 2nd ed. / edited by Louise Hartman, Carolyn Shapiro ; 1st ed. compiled by Diane Brigham. [Philadelphia, PA]: Museum Council of Philadelphia and the Delaware Valley, 1988.

Hartman, Louise., Carolyn Shapiro, and Diane Brigham. Beyond the Blackboard: A Guide to Regional Museum Resources. 2nd ed. / edited by Louise Hartman, Carolyn Shapiro ; 1st ed. compiled by Diane Brigham. [Philadelphia, PA]: Museum Council of Philadelphia and the Delaware Valley, 1988.