MATHS - Durell & Wright -Elementary Trigonometry Parts 1 & 2 -1948 Ex-Library HB

MATHS - Durell & Wright -Elementary Trigonometry Parts 1 & 2 -1951 Ex-Library HB

MATHS - Durell - Shorter Advanced Trigonometry - 1952 - HB Ex-Library

MATHS - Durell - Advanced Trigonometry - 1953 - Acceptable Ex-library Hardback

MATHS - Durell - Advanced Trigonometry - 1956 - Acceptable Hardback

MATHS - F. Bowman - Elementary Algebra Part - Longmans 1927 - Good Hardback copy

MATHS - Siddons & Hughes - Algebraical Trigonometry - 1957 Cambridge HB

MATHS - Durell - Shorter Advanced Trigonometry - 1966 - Good HB Ex-Library