LIBRARY OF CONGRESS CLASSIFICATION
TENTATIVE MONTHLY LIST 09a (September 2026)

This tentative list is published without comment period. The proposed changes are made in accordance with Public Law 242-80th Congress, approved July 25, 1947, “to provide a central authority for standardizing geographic names for the purpose of eliminating duplication in standardizing names among the Federal departments, and for other purposes.”
The proposed headings on this list are NOT YET APPROVED and not yet available for use in current cataloging.
The full hierarchy is provided for new and revised classification captions to show their context within the classification. Numbers that appear in square brackets are not displayed in Classification Web browse screens or in the printed editions of the classification schedules. They are shown on this list only to indicate the location of the corresponding caption or reference within the classification. "(A)" indicates pre-approved proposals for material in priority 1. "(C)" indicates proposals submitted by libraries in the Subject Authority Cooperative Program (SACO).
 
United States
Revolution to the Civil War, 1775/1783-1861
By period
Early nineteenth century, 1801/1809-1845
Madison's administrations, 1809-1817
War of 1812
Military operations, 1812-1815
Campaigns. By year
E355.4
1813
 
Including campaigns in the east, north, and northwest covering Chesapeake Bay, Lake Champlain, Lake Erie, Lake Ontario, St. Lawrence River CANCEL
 
Including campaigns in the east, north, and northwest covering Chesapeake Bay, Lake Champlain, Lake Erie, Lake America, St. Lawrence River
 
 
United States local history
New York
Regions, counties, etc., A-Z
 
Ontario, Lake, region, N.Y.
[F127.O72]
Cf. F556 Lake Ontario (General) CANCEL
 
 
America, Lake, region, N.Y.
[F127.O72]
Cf. F556 Lake America (General)
 
 
The Lake region. Great Lakes
F556
Lake Ontario CANCEL
 
F556
Lake America
 
Index:
 
America, Lake, region: F556
 
 
Lake Ontario
[F556]
Cf. F1059.O6 Lake Ontario region CANCEL
 
 
Lake America
[F556]
Cf. F1059.O6 Lake America region
 
 
British America
Canada
Regions, provinces, territories
Ontario
Regions, counties, etc. A-Z
 
Ontario, Lake, region, Ont.
[F1059.O6]
Cf. F556 General CANCEL
 
 
Regions, counties, etc., A-Z
 
America, Lake, region, Ont.
[F1059.O6]
Cf. F556 General
 
F1059.O6
Ontario, Lake, region, Ont. CANCEL
 
F1059.O6
Ontario, Lake, region, Ont. America, Lake, region, Ont.
 
Index:
 
America, Lake, region
 
Ontario: F1059.O6
 
 
Physical geography
Hydrology. Water
Ground and surface waters
Lakes. Limnology
By region or country
United States
By spring, river, etc., A-Z
Great Lakes
[GB1627.G81-.G82]
Lake Ontario CANCEL
 
[GB1627.G81-.G82]
Lake America
 
 
Lake Ontario
GB1627.G81
General works CANCEL
 
 
Lake America
GB1627.G81
General works
 
 
Lake Ontario
GB1627.G82A-.G82Z
By region, A-Z CANCEL
 
 
Lake America
GB1627.G82A-.G82Z
By region, A-Z
 
 
Natural history (General)
Geographical distribution. Biogeography. Phylogeography
Topographical divisions
America
North America
United States
By region, A-Z
QH104.5.O58
Ontario, Lake (N.Y. and Ont.) CANCEL
 
QH104.5.O58
Ontario, Lake (N.Y. and Ont.). America, Lake (N.Y. and Ont.)
 
 
Navigation. Merchant marine
Sailing directions. Pilot guides
By region or country
Atlantic Ocean (West)
United States (East coast). "Atlantic coast pilots"
Great Lakes
Individual lakes, etc.
VK984.O6
Lake Ontario CANCEL
 
 
Individual lakes, etc., A-Z
VK984.O6
Lake Ontario. Lake America