Real compañía de comercio para las islas de Santo Domingo, Puerto Rico y la Margarita, que se ha dignado el rey conceder con diez registros para Honduras y provincias de Guatemala, al comercio de la ciudad de Barcelona, y su establecimiento en la misma baxo el patrocinio de Nuestra Señora de Monserrat y de la Real Protección de S.M.

Mode of access: Internet.

Special circular - Ohio Agricultural Experiment Station.

Mode of access: Internet.

Biblioteca Histórica de Puerto Rico, que contiene varios documentos de los S. XV, XVI, XVII y XVIII.

Estadísticas.

Memoria sobre todos los ramos de la Administración de la isla de Puerto Rico.

Mode of access: Internet.

Manual de educación física para las escuelas elementales de Puerto Rico.

"Preparada por el señor Frank Campos."--p. 5.

First [-twelfth] annual report of the Board of Control of the State Agricultural Experiment Station at Amherst, Mass.

This station consolidated in 1895 with the Hatch Experiment Station of the Massachusetts Agricultural college. (Massachusetts. Agricultural Experiment Station, Amherst).

Annual report of the New York Agricultural Experiment Station /

Vols. for 1918- issued in the series of Legislative Documents.

[Bulletin] B - Agricultural Experiment Station.

No. 426 never published.

Technical bulletin - Virginia Polytechnic Institute, Virginia Agricultural Experiment Station.

Mode of access: Internet.

Bulletin - Texas Engineering Experiment Station.

Mode of access: Internet.

Experiment station record.

Abstracts issued in separate numbers, 1909-June 1932.

Annual report of the Agricultural Experiment Station of the University of Wisconsin for the year...

Title varies slightly.

Experiment station record.

Has index: Its/Experiment station record. General index to Experiment station record.

Our new possessions. A graphic account, descriptive and historical, of the tropic islands of the sea which have fallen under our sway. Book I. The Philippine islands. Book II. Puerto Rico. Book III. Cuba. Book IV. The Hawaiian islands.

Mode of access: Internet.

Experiment station work, LXIII : Sterilizing tobacco plant beds, clover growing, curing clover hay, the velvet bean, draft horses, care of mares and foals /

"Compiled from the publications of the agricultural experiment stations."