Duffy, J. W. (1862). A hand book to Valparaíso, containing the laws and regulations of the port, expenses incurred by ships upon their arrival and general information useful to masters of british and american vessels, and others, conversant with the english language; to wich is added a brief description of the town, and a chronological table of the principal events in the History of Chile (1a. ed.). W. Helfmann's Universo printing office, calle de la Aduana, 41.

Duffy, James Williams. A Hand Book to Valparaíso, Containing the Laws and Regulations of the Port, Expenses Incurred by Ships upon Their Arrival and General Information Useful to Masters of British and American Vessels, and Others, Conversant with the English Language; to Wich Is Added a Brief Description of the Town, and a Chronological Table of the Principal Events in the History of Chile. 1a. ed. Valparaíso: W. Helfmann's Universo printing office, calle de la Aduana, 41, 1862.

Duffy, James Williams. A Hand Book to Valparaíso, Containing the Laws and Regulations of the Port, Expenses Incurred by Ships upon Their Arrival and General Information Useful to Masters of British and American Vessels, and Others, Conversant with the English Language; to Wich Is Added a Brief Description of the Town, and a Chronological Table of the Principal Events in the History of Chile. 1a. ed. W. Helfmann's Universo printing office, calle de la Aduana, 41, 1862.