http://www.loc.gov/rr/program/bib/ourdocs/PacificRail.html Documents de la Bibliothèque du Congrès railroad http://www.loc.gov/rr/program/bib/ourdocs/PacificRail.html http://www.loc.gov/rr/program/bib/ourdocs/PacificRail.html Pacific Railway Act http://www.loc.gov/rr/program/bib/ourdocs/PacificRail.html Pacific Railroad Act http://www.loc.gov/rr/program/bib/ourdocs/PacificRail.html Pacific Railway Act: Primary Documents of American History http://www.loc.gov/rr/program/bib/ourdocs/PacificRail.html Library of Congress Pacific Railroad Act http://www.loc.gov/rr/program/bib/ourdocs/PacificRail.html Pacific Railway Act - Biblioteca del Congresso Pacific Railway Act: Primary Documents of American History Primary Documents in American History: Pacific Railway Act