For works of this author written under other names, search also under: Holt, Jan van, 1872-1966 Oliver, Julius, 1872-1966 Norman, George, 1872-1966 Schmerz, Rudolph, 1872-1966 Klassen, Jan, 1872-1966 Carric, Allen, 1872-1966; for works of this author written in collaboration with Dorothy Nevile Lees, search also under: Semar, John Balance, John, 1872-1966