http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 1. Polypetalae.--v. 2. Gamopetalae.--v. 3. Apetalae.--v. 4. Monocotyledones.--v. 5. Monocotyledones (concluded), Gymnospermeae, General indices.
by Henry N. Ridley. Published under the authority of the government of the Straits Settlements.
Volumes 3-5 published under the authority of the government of the Straits Settlements and Federated Malay states.