For work of this author created in collaboration with Valeriano Bécquer, search also under: SEM (Joint pseudonym).  For work of this author created in collaboration with Luis García Luna, search also under: García, Adolfo (Pseudonym)  

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