Resolutions and Working Papers of the Fourteenth Seminar on the Acquisition of Latin American Library Materials, University of Puerto Rico, Rio Peidras Campus and the Caribbean Regional Library Library of CODECA, June 17-20, 1969: 16. Shilling, C.W. Development of specialized scientific bibliographies. 17. Drewes, A.T. Sources of information of the natural resources of Latin America. 18. St. Denis, G.P. Sources of information in the bio-medical sciences in Latin America. 19. Velásquez G. Pablo. Fuentes Bibliografícas Latinoamericanas de agricultura. 20. Gravenhorst, H. El panorama bibliográfico documental en la Argentina. 21. Zamora, P. La bibliografía científica en América Latina. 22. Paz de Erickson, A.M. Estado actual de la bibliografía agrícola de América Latina PDF Download