Minerals and mineral industries of Oregon;

समान संसाधन

• The rural school exhibit of Oregon; standard rural schools, industrial clubs, playgrounds .
  प्रकाशित: (1915)
• The architecture and landscape gardening of the exposition, a pictorial survey of the most beautiful of the architectural compositions of the Panama-Pacific international exposition
  प्रकाशित: (1915)
• Pennsylvania at the World's Panama-Pacific Exposition : showing the manufacturing, commercial and financial activities in the industrial centers of the Keystone state
  प्रकाशित: (1915)
• Snap shots of scenes at the Panama-Pacific Exposition : San Francisco, 1915
  द्वारा: Amos, B. E.
  प्रकाशित: (1915)
• Information for builders of machinery and electrical apparatus
  प्रकाशित: (1915)