http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a treatise on the culture, propagation, and species of the rhododendron : with cultural notes upon other plants which thrive under like treatment, and descriptions of species and varieties, with a chapter upon herbaceous plants requiring similar culture / cby Edward Sprague Rand, Jr
"List of illustrated botanical works referred to": pages [xxi]-xxvi.