Notes on Introductory Combinatorics, Donald R. Woods,George Pólya,Robert E. Tarj

Constructive combinatorics 1972/73.

Introductory Notes on Quantitative Chemical Analysis (Classic Reprint)

Catalogue of Australian Mammals: With Introductory Notes on General Mammalogy

Notes on Mechanical Drawing: Introductory to Machine Design (Classic Reprint)

Introductory Notes on Quantitative Chemical Analysis (Classic Reprint)

Introductory Combinatorics, 5th edition

Catalogue of Australian Mammals, With Introductory Notes on General Mammalogy (P