TY  - BOOK
AU  - RHS
TI  - RHS Colour Chart
PY  - 2019///
CY  - London
PB  - Royal Horticultural Society
N1  - Colour Charts -
FAN 1- Green-Yellow Group etc., 
FAN 2- Red-Purple Group etc., 
FAN 3- Blue-Green Group etc. and
FAN 4- White Group etc
ER  -