http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
influence of Froebel's Mother-play and nursery songs on kindergarten song books, 1887-1918
"... an authorized facsimile printed by microfilm/xerography ...".
Thesis (Ph. D.) - University of Maryland, 1972.