Pa. ) Franklin Institute (Philadelphia

Journal - Franklin Institute of the State of Pennsylvania Volume Index 121-140

Journal of the Franklin Institute; Volume 143

Journal - Franklin Institute of the State of Pennsylvania Volume Index 1-120

Journal of the Franklin Institute; Volume 187

Journal of the Franklin Institute of the State of Pennsylvania; Volume 65

Modern Views of Physical Science; Being a Record of the Proceedings of the Centenary Meeting of the Franklin Institute at Philadelphia, September 17, 18 And 19 1924

Journal - Franklin Institute of the State of Pennsylvania Volume Index 141-160

Journal of the Franklin Institute; Volume 186

Journal of the Franklin Institute; Volume 153

Journal - Franklin Institute of the State of Pennsylvania; 42

Journal - Franklin Institute of the State of Pennsylvania; Index 161-180

Essay on the Steam Boiler

Planetarium

Journal - Franklin Institute of the State of Pennsylvania; 16

Journal of the Franklin Institute; Volume 21

Journal of the Franklin Institute; Volume 132

Journal - Franklin Institute of the State of Pennsylvania; 57

Journal - Franklin Institute of the State of Pennsylvania; Index 121-140

Journal - Franklin Institute of the State of Pennsylvania; 70

Journal - Franklin Institute of the State of Pennsylvania; Index 1-120

Journal - Franklin Institute of the State of Pennsylvania; 2

Neutron Effects on Animals