http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
No. 2-4 of each vol. are supplementary sheets to no. 1 of the vol.
Published in cooperation with the Animal Health Institute.
Vol. 1 issued as vol. 35, no. 4 of Feedstuffs.