http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Foreword by H. Humbert. With illus. (or groups of illus.) based on the author's originals by Anna-Lisa Nilsson.
Volumes 2-4 (mainly illus.) has title: Pollen and spore morphology; plant taxonomy.
Volume 2- have imprint: Stockholm, Almqvist & Wiksell; New York, Ronald Press Co.