| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Abney Level Handbook: How to Use the Topographic Abney Hand Level / Clinometer Tool - A Guide for the Experienced and Beginners, Complete with Diagrams & Charts | 978-1-78987-O5O-3 (1-78987-O5O-X) | 2018 | Hartley Amasa Calkins |