| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Complete Guide for Successful Umpiring: How to Survive Little League Baseball and the Soccer Mom | 978-O-9821832-5-O (O-9821832-5-9) | 2009 |
R. H. · René Hartmann · René Hurtienne · Rini Hartman · Ron Hardman · Ron Horton · Ronny Hartanto · Ryan Harding