Previsualizar a impressão Fechar

Mostrar 2 resultados

Descrição arquivística
World War, 1939-1945
Opções de pesquisa avançada
Previsualizar a impressão Ver:

2 resultados com objetos digitais Mostrar resultados com objetos digitais

Certified Instructor Gas and Bomb Defense

Harris's "Certified Instructor Gas and Bomb Defense" card. The University of Minnesota required that chemistry graduate students become certified instructors in gas and bomb defense in case the US was attacked.