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Teeth Such As These Are Examined Under An Electron Microscope After Special Treatment
by Archives of Medicine - NLM - NIH
by Archives of Medicine - NLM - NIH
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)
No known copyright restrictions(著作権制限なし)
![[Trans-Siberian Railway metal truss bridge on stone piers, over the Kama River near Perm, Ural Mountains Region] (LOC)](http://farm4.static.flickr.com/3786/9628195675_b543ef65c0_m.jpg)
[Trans-Siberian Railway metal truss bridge on stone piers, over the Kama River near Perm, Ural Mountains Region] (LOC)
by The Library of Congress
by The Library of Congress
No known copyright restrictions(著作権制限なし)
361件~420件 (全 31,991件)













![OLD CHURCH OF ST. GEORGE AND FAMILY RESOURCE CENTRE [HILL STREET DUBLIN]-115492](http://farm2.static.flickr.com/1641/26668750471_989079cc2b_m.jpg)












































