TY  - BOOK
AU  - Hewitt, J.T.
TI  - Synthetic colouring matters dyestuffs derived from pyridine, quinoline, acridine and xanthene /(by) J.T. Hewitt
U1  - 667.256 
PY  - 1922///
CY  - London
PB  - Longmans
ER  -