1. Harold Ward (1897-1950) newspaperman and pulp writer, active in the 1930s.
2. LoC suggests #2 might be same fella as #1, but gives both just the dates 'active 1935-37'
3. Harold Ward, environmental writer, fl. 1999
4. Harold Ward, translator &editor associated with Robert McBride & Co publishers in the 1920s-1940s. Same as 1 and 2???
5. Harold Ward, b.1921 - Dont go island hopping