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

MATHS - Durell - Modern Geometry - 1920 HB - Ex-library - Acceptable to Good

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

MATHS - Durell - Advanced Algebra 1 and 2 - 1968, ex-library 2 Hardbacks

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 - Advanced Trigonometry - 1956 - Acceptable Hardback

MATHS - Toddhunter & Leathem - Spherical Trigonometry - Nice 1911 Macmillan HB