Index To The Native And Scientific Names Of Indian And Other Eastern Economic Plants And Products - Watson, J. Forbes, M.A.M.D., F.L.S, F.R.A.S., & C (London Trubner & Co, 60, Paternoster Row, 1868)
Zb mean Botany Page 500-509 (Acc. No. Zb1-Zb343) & Page 578-581 (Acc. No. Zb344-Zb468)