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1.
Economic plants of Porto Rico, by O.F. Cook and G.N. Collins. by Series: Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium ; vol. VIII, pt. 2
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print Off., 1903
Availability: No items available.

2.
Report on agricultural investigations in Porto Rico, 1905 / by D.W. May. by Series: United States. Bulletin ; no. 171.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington ; G.P.O., 1906
Availability: No items available.

3.
The Leguminosae of Porto Rico. By J. Perkins. by Series: Smithsonian institution. United States national museum. Contributions from the United States national herbarium ; vol. X, pt.4
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1907
Availability: No items available.

4.
Tratado de la arboricultura cubana y lleva agregada la de Isla de Pinos y Puerto-Rico : especificación de cada uno ... / por José María Fernandez y Jimenez. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Habana : Impr. y taller de encuadernacion "La Fortuna", 1867
Availability: No items available.

5.
Entomología económica puertorriqueña / por George N. Wolcott, tr. por Francisco Seín, jr. by Series: Bulletin (Puerto Rico. Insular Experiment Station) ; no. 32.
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: Spanish Original language: Undetermined
Publication details: San Juan : Negociado de materiales, imprenta y transporte, 1924
Availability: No items available.

6.
Puerto Rican woods : their machining, seasoning, and related characteristics / [by Franklin R. Longwood]. by Series: Agriculture handbook (United States. Department of Agriculture) ; no. 205.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : U.S. Dept. of Agriculture, Forest Service, 1961
Availability: No items available.

7.
Agricultural production and trade of Puerto Rico [by John D. McAlpine. by Series: [United States. ERS-foreign ; 227.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington] U.S. Dept. of Agriculture, Economic Research Service, Foreign Regional Analysis Division [1968]
Availability: No items available.

8.
El canje de la moneda en Puerto-Rico. La opinion del Banco español de esta isla. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Puerto-Rico, Tip. al vapor de "La Correspodnencia," 1898
Availability: No items available.

9.
Two new coralline Algae from Culebra, Porto Rico, by M. Foslie and M.A. Howe. by Series: Contributions from the New York Botanical Garden ; . 86.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: New York, 1906
Availability: No items available.

10.
Course of study for the high schools of Porto Rico, ed. by Ward C. McCroskey ... by Series: Bulletin ; 1918, no. 4. Whole number 19
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: San Juan, P.R., Bureau of supplies, printing and transportation, 1918
Availability: No items available.

11.
A revised course of study for high school geography, ed. by H.A. Martin, general superintendent of schools. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: San Juan, P.R., Bureau of supplies, printing, and transportation, 1924
Availability: No items available.

12.
Standard equipment for chemistry, biology and physics / Government of Porto Rico. Department of Education. Edited by M.A. Martin, General Superintendent of Schools. by Series: Bulletin (Puerto Rico Dept. of Education) ; no. 64, whole no. 2.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: San Juan, P.R. : Bureau of Supplies, Printing, and Transportation, 1926
Availability: No items available.

13.
14.
Public education in Puerto Rico, by Katherine M. Cook. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. print. off., 1934
Availability: No items available.

15.
Tentative syllabus in English for the first three years of the high school course. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: San Juan, P.R., Dept. of education [1936?]
Availability: No items available.

16.
Water resources of Puerto Rico, by Herbert M. Wilson. by Series: U.S. Geological Survey. Water-supply and irrigation papers ; no. 32
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington : Govt. Print. Off, 1899
Availability: No items available.

17.
Geology of the Ciales quadrangle, Puerto Rico, by Henry L. Berryhill, Jr. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1965
Availability: No items available.

18.
Cretaceous and Lower Tertiary stratigraphy of the Naranjito and Aguas Buenas quadrangles and adjacent areas, Puerto Rico, by Maurice H. Pease, Jr. by Series: Geological Survey bulletin ; 1253.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1968
Availability: No items available.

19.
Labor conditions in Puerto Rico / report by Joseph Marcus, special agent U.S. Employment Service. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, D.C. : Govt. Print. Off., 1919
Availability: No items available.

20.
The employment of women in Puerto Rico, by Caroline Manning ... by Series: Bulletin (United States. Women's Bureau) ; no. 118.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1934
Availability: No items available.

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