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
Notebooks: Alfalfa and clovers plat: Book 1
Notebooks: Alfalfa and clovers plat: Book 2
Notebooks: Alfalfa book
Notebooks: Alfalfa's: 1911-M-1-tc
Notebooks: Calendar of events
Notebooks: Calendar of events
Notebooks: Course notes, Iowa State Agricultural College
Notebooks: Course notes, Iowa State Agricultural College
Notebooks: Grasses for 1888 and 9: Grains for 1988
Notebooks: Grasses, clovers and forage
Notebooks: Miscellaneous notes
Notebooks: Miscellaneous notes
Notebooks: Plot planting records
Notebooks: Plot planting records
Ornate building in Manzhouli, Manchuria in northern China in 1924
Ornate store sign in Manzhouli, Manchuria in northern 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
Park in Harbin, China in 1924
Pear tree in the mountains at Saolin in northern China in 1924
Perennial Wheat and Soviet Farm Research by J.W. Pincus
Perennial Wheat and Soviet Farm Research by J.W. Pincus
Photograph descriptions - 0001 to 0181
Photograph descriptions - 0001 to 0181
Photographs
Photographs
Photographs: 0001 to 0039
Photographs: 0001 to 0039
Photographs: 0040 to 0099
Photographs: 0040 to 0099
Photographs: 0100 to 0162
Photographs: 0100 to 0162
Photographs: 0163 to 0173
Photographs: 0163 to 0173
Photographs: 0174 to 0181
Photographs: 0174 to 0181
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.
Plant specimen: Primulaceae Vent. Primula.
Plant specimen: Prunus persica. Dbl. fl. Peach. Kaises VII.
Plant specimen: Rosaceae B. Juss. Micromeles alnifolia Koehne
Plant specimen: Rosaceae B. Juss. Prunus padus L.
Plant specimen: Rosaceae B. Juss. Pyrus ussuriensis Max =P. Sinensis Lindl.
Plant specimen: Rosaceae B. Juss. Spirea Chamaedrifolia L. Common name germander meadowsweet or elm-leaved spirea
Plant specimen: Rosaceae B. Juss. Spirea Chamaedrifolia L. Common name germander meadowsweet or elm-leaved spirea
Plant specimen: Rosaceae B. Juss. Spirea media Schmidt
Plant specimen: Saxifragaceae Dumort. Deutzia parviflora Bunge
Plant specimen: Saxofragaceae Dumort. Ribes manshuricum (Max.) Kom
Plant-breeding - Comments of the experiments of Nilsson and Burbank by Hugo DeVries
Plant-breeding - Comments of the experiments of Nilsson and Burbank by Hugo DeVries
Point on the Inland Sea in Japan in 1924
Porters lifting iron pipes at the port on Tokyo Bay at Yokohama, Japan in 1924
Powerlines on the Trans-Siberian Railway enroute to Saolin in northern China in 1924
Professor N.E Hansen on the horticulture grounds at South Dakota State College, undated
Professor N.E. Hansen, undated
Publications: (1.) Plants for Dry Western Uplands (2.) Some New Hybrid Plums
Publications: (1.) Plants for Dry Western Uplands (2.) Some New Hybrid Plums
Publications: (1.) Plants for dry western uplands (2.) Some new hybrid plums
Publications: (1.) Plants for dry western uplands (2.) Some new hybrid plums
Publications: (1.) Plants for Dry Western Uplands (2.) Some New Hybrid Plums (3.) $50 in Prizes
Publications: (1.) Plants for Dry Western Uplands (2.) Some New Hybrid Plums (3.) $50 in Prizes
Publications: Better fruits and gardens for South Dakota
Publications: Better fruits and gardens for South Dakota
Publications: Breeding hardy fruits
Publications: Breeding hardy fruits
Publications: Carl A. Hansen Nursery
Publications: Carl A. Hansen Nursery
Publications: Co-operative tests in 1904 of peas, beans, sweet corn and cabbage
Publications: Co-operative tests in 1904 of peas, beans, sweet corn and cabbage
Publications: Co-operative tests of alfalfa from Siberia and European Russia
Publications: Co-operative tests of alfalfa from Siberia and European Russia
Publications: Early garden peas
Publications: Early garden peas
Publications: Elements of prairie horticulture
Publications: Elements of prairie horticulture
Publications: Evergreens for South Dakota
Publications: Evergreens for South Dakota
Publications: Evergreens in South Dakota
Publications: Evergreens in South Dakota
Publications: Experiments in plant heredity
Publications: Experiments in plant heredity
Publications: Experiments in plant heredity
Publications: Experiments in plant heredity
Publications: Fifty years as agricultural explorer and plant breeder
Publications: Fifty years as agricultural explorer and plant breeder
Publications: Flowers every day in the year
Publications: Flowers every day in the year
Publications: Fruit list of the South Dakota State Horticulture
Publications: Fruit list of the South Dakota State Horticulture
Publications: Fruit stocks where the mercury freezes
Publications: Fruit stocks where the mercury freezes
Publications: Fruit stocks where the mercury freezes
Publications: Fruit stocks where the mercury freezes
Publications: Hardy roses for South Dakota
Publications: Hardy roses for South Dakota
Publications: Hardy roses for South Dakota
Publications: Hardy roses for South Dakota
Publications: Letter from Professor N.E. Hansen, Brookings, South Dakota
Publications: Letter from Professor N.E. Hansen, Brookings, South Dakota
Publications: List of Experiment Station bulletins by Hansen
Publications: List of Experiment Station bulletins by Hansen
Publications: New hardy fruits for the Northwest
Publications: New hardy fruits for the Northwest
Publications: No title
Publications: No title
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern novelties for . . .
Publications: Northern Plant Novelities for 1940
Publications: Northern Plant Novelities for 1940
Publications: Northern Plant Novelities for 1941
Publications: Northern Plant Novelities for 1941
Publications: Northern plant novelties for 1944
Publications: Northern plant novelties for 1944
Publications: Northern plant novelties for 1945
Publications: Northern plant novelties for 1945
Publications: Ornamental trees of South Dakota
Publications: Ornamental trees of South Dakota
Publications: Ornamental trees of South Dakota
Publications: Ornamental trees of South Dakota
Publications: Plant introductions
Publications: Plant introductions
Publications: Plant introductions
Publications: Plant introductions
Publications: Plums in South Dakota
Publications: Plums in South Dakota
Publications: Possibilities of the western sand cherry
Publications: Possibilities of the western sand cherry
Publications: Prof. Hansen's hybrid cherry - plums
Publications: Prof. Hansen's hybrid cherry - plums
Publications: Progress in plant breeding
Publications: Progress in plant breeding