System Identification by Lennart Ljung

GIA Gem Identification Assignment Course Books 1992 Complete

MASTER TREE FINDER: Pocket MANUAL FOR THE IDENTIFICATION OF TREES BY LEAVES 1991

Plant Identification Terminology by James Harris

Colour Identification Guide to Moths of the British Isles Hardcover. Skinner

A Child is Born by Nilsson, Lennart

GIA Gem identification laboratory manual 1984 3rd edition - Very Nice

Exodus Case by Lennart Moller