The William O. Douglas Collection includes speeches, research materials, correspondence, postcards, forestry management, reports to Congress, invitations, book manuscripts, publications, newspaper clippings, contracts, law practice records, articles and magazines about conservation, correspondence with Len Jansen, and materials collected by Whitman College staff.

The William O. Douglas Collection includes speeches, research materials, correspondence, postcards, forestry management, reports to Congress, invitations, book manuscripts, publications, newspaper clippings, contracts, law practice records, articles and magazines about conservation, correspondence with Len Jansen, and materials collected by Whitman College staff.

The William O. Douglas Collection includes speeches, research materials, correspondence, postcards, forestry management, reports to Congress, invitations, book manuscripts, publications, newspaper clippings, contracts, law practice records, articles and magazines about conservation, correspondence with Len Jansen, and materials collected by Whitman College staff.