Kew Guild, Polemobotany, Armed forces, History, World War (1914-1918), and Royal Botanic Gardens, Kew

Ethnobotany, Economic botany, Royal Botanic Gardens, Kew, Plant history, Polemobotany, and World War (1914-1918)

Polemobotany, Economic botany, Ethnobotany, World War (1914-1918), and Royal Botanic Gardens, Kew

Wood properties, Aircraft industry, World War (1914-1918), Royal Botanic Gardens, Kew, and Polemobotany

Botanists, Balkans, Royal Botanic Gardens, Kew, Plant collecting, Salonika Campaign (1915-1918), Polemobotany, and World War (1914-1918)

Floras, World War (1914-1918), Polemobotany, and Western Front