William Leslie Sumner

1904 – 1973

• The organ
• Bach's organ-registration
• The parish church organ
• The pianoforte
• A history and account of the organs of St. Paul's cathedral, London
• Father Henry Willis, organ builder, and his successors
• Progress in science
• Statistics in school
• The organ, its evolution, principles of construction and use
• The pianoforte [by] W.L. Sumner
• The teaching of arithmetic and elementary mathematics
• Visual methods in education