http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Magnetic observatory, at the Girard College, Philadelphia. Ordinary meteorological observations, from July to December, 1842
Record of magnetic and meteorological observations made at Girard College, Philadelphia
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed July 2008). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection