Official map publications; a historical sketch, and a bibliographical handbook of current maps and mapping services in the United States, Canada, Latin America, France, Great Britain, Germany, and certain other countries,

"Classification, cataloging, and care of maps": p. 282-295; "Tentative map classification outline by subject": p. 297-308; "Map classification outline by areas": p. 309-311.

Hong Kong and Macao, official standard names approved by the United States Board on Geographic Names.

"1973 O-494-096"--P. 52.

South Africa : official standard names approved by the United States Board on Geographic Names /

Mode of access: Internet.