N.E. Hansen and Ivan V. Michurin in Russia in 1934
N.E. Hansen and Ivan V. Michurin in Russia in 1934
N.E. Hansen and Manchu mountain farmer in Myfun in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen and two assistants on their search for hardy peach trees in northern China in 1924
N.E. Hansen at a bazaar in Fushun, Manchuria in northern China in 1924
N.E. Hansen at a bazaar in Fushun, Manchuria in northern China in 1924
N.E. Hansen at a bazaar in Fushun, Manchuria in northern China in 1924
N.E. Hansen at a South Dakota Agricultural Experiment Station display, undated
N.E. Hansen at bazaar in Harbin, China, 1924
N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924
N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924
N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924
N.E. Hansen in a Kaoliang sorghum field at Echo in Manchuria, China in 1924
N.E. Hansen in a rickshaw in northern China in 1924
N.E. Hansen in Chelyabinsk, Russia in 1934
N.E. Hansen in Chelyabinsk, Russia in 1934
N.E. Hansen in Fushun, Manchuria in northern China in 1924
N.E. Hansen in Russia in 1934
N.E. Hansen in Siberian costume with a sheaf of alfalfa in 1906
N.E. Hansen Memorial Garden at McCrory Gardens in Brookings, South Dakota in 1996
N.E. Hansen Memorial Garden at McCrory Gardens in Brookings, South Dakota in 1996
N.E. Hansen on the hardy alfalfa trail among the Kirghiz Tartars in Semipalatinsk, Siberia in 1913
N.E. Hansen on the hardy alfalfa trail Siberia in 1913
N.E. Hansen ready to start over the Da Hinggan mountain range in northern China in 1924
N.E. Hansen standing by a fruit tree at South Dakota State College, undated
N.E. Hansen standing by a fruit tree at South Dakota State College, undated
N.E. Hansen standing by a fruit tree at South Dakota State College, undated
N.E. Hansen standing by a fruit tree at South Dakota State College, undated
N.E. Hansen with a local man while conducting pear research at Saolin in northern China in 1924
N.E. Hansen with a local man while conducting pear research at Saolin in northern China in 1924
N.E. Hansen with friends in Brookings, South Dakota in 1939
N.E. Hansen's assistants begin a search for hardy peach trees in northern China in 1924
N.E. Hansen's assistants gather specimens in their search for hardy peach trees in northern China in 1924
N.E. Hansen's headquarters while conducting pear research at Saolin in northern China in 1924
N.E. Hansen's headquarters while conducting pear research at Saolin in northern China in 1924
N.E. Hansen's headquarters while conducting pear research at Saolin in northern China in 1924
Nelson, Ruth E.
Nold, Mary E.
Norman, Roy
Northern Plains Biostress Laboratory
Oak Lake Retreat Mentors
Oak Lake Tribal Writers' Retreat Announcement
Oak Lake Tribal Writers' Retreat Schedule
Oak Lake Writers Dialogue Questions
Oak Lake Writers Press Correspondence
Oak Lake Writers' Retreat
Oak Lake Writers' Retreat
Oak Lake Writers' Society By-laws
Oak Lake Writers' Society History
Oak Lake Writers' Society Poster
O'Banion, W.J., Mrs.
Oil Painting of Old North and Old Central
Old Havana, Cuba
Old Havana, Cuba
Old Havana, Cuba
Old Horticulture Building
Old North
Olson, Ernest C.
Olson, Lillian
Opdahl, Harold N.
Ornate building in Manzhouli, Manchuria in northern China in 1924
Ornate store sign in Manzhouli, Manchuria in northern China in 1924
Orran Hofstetter and Congressman Frank Denholm in 1974
Page 1
Panek, Agnes
Park in Harbin, China in 1924
Park in Harbin, China in 1924
Park in Harbin, China in 1924
Park in Harbin, China in 1924
Park in Harbin, China in 1924
Park in Harbin, China in 1924
Park in Harbin, China in 1924
Park in Harbin, China in 1924
Pear tree in the mountains at Saolin in northern China in 1924
People at a campground
People at an event
Performing Arts Center
Peterson, Orville K.
Petik, Evelyn
Photograph, Back
Photograph, Front
Physiology Laboratories
Pierson Hall
Pietro della Vale
Plant Science Laboratories
Plant specimen: Aceraceae Neck. Acer Ginnala Max. Plant specimen from the maple family
Plant specimen: Aceraceae Neck. Acer Mairunduense ? et Mey. Plant specimen from the maple family
Plant specimen: Aceraceae Neck. Acer Mons Max. Plant specimen from the maple family
Plant specimen: Aceraceae Neck. Acer Tomentosum Max. Plant specimen from the maple family
Plant specimen: Caprifoliaceae Vent. Lonicera edulis Turcr. Plant specimen from the honeysuckle family
Plant specimen: Caprifoliaceae Vent. Lonicera Maackii Turcr.
Plant specimen: Pinus pungens, also called Table Mountain Pine, hickory pine, prickly pine or mountain pine.