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All Items 221 items

All items in this story

161. Wilbur A. Sawyer and Fred L. Soper after the arrival of the airplane PP-CAO in Cuiaba, Mato Grosso, Brazil

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162. Group photo after Wilbur A. Sawyer's arrival in Cuiaba, Mato Grosso, Brazil

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163. PP-CAO, the "flying cow" airplane, in Corumba, Brazil

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164. Letter from Wilbur A. Sawyer to Margaret Sawyer

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165. Wilbur A. Sawyer's caravan and guides on the road to Coronel Ponce, Mato Grosso, Brazil

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166. Fred L. Soper and Alexander Burke crossing a bridge to inspect the site of a yellow fever infection near Coronel Ponce, Mato Grosso, Brazil

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167. Portrait of Mr. Lisboa, village telegraph officer, with Fred L. Soper and Alexander Burke in Coronel Ponce, Mato Grosso, Brazil

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168. Fred L. Soper, Wilbur A. Sawyer, and their guide in front of a shelter at the site of a yellow fever infection near Coronel Ponce, Mato Grosso, Brazil

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169. Wilbur A. Sawyer crossing a bridge to inspect the site of a yellow fever infection near Coronel Ponce, Mato Grosso, Brazil

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170. Burity de Conceicao, Mato Grosso, Brazil

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171. Letter from Wilbur A. Sawyer to Margaret Sawyer

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172. View of Corumba from above the Paraguay River

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173. Wilbur A. Sawyer on horseback in Banco Vitoria near Ilheus, Brazil

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174. Fred L. Soper and other doctors waiting for the repair of a blow-out, en route to Sao Goncalo, Pernambuco, Brazil

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175. Mosquito capture squad, Sao Goncalo, Pernambuco, Brazil

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176. Marketplace in Sao Goncalo, Pernambuco, Brazil

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177. Letter from Wilbur A. Sawyer to Margaret Sawyer

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178. Wilbur A. Sawyer in the mouse room at the yellow fever laboratory, Rockefeller Institute

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179. The Distribution of Yellow Fever Immunity in North America, Central America, The West Indies, Europe, Asia, and Australia, with Special Reference to the Specificity of the Protection Test

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180. View of New York City facing north from Wilbur A. Sawyer's Rockefeller Foundation office

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