- Author: Karsten Timmer
- Language: German
- Year: 2000
- Author: C. Peter Timmer
- Language: English
- Year: 2015
- Author: C. Peter Timmer (editor)
- Language: English
- Year: 2019
- Author: C. Peter Timmer (editor)
- Language: English
- Year: 2019
- Author: Andria D. Timmer (editor), Elizabeth Wirtz (editor)
- Language: English
- Year: 2022
- Author: Andria D. Timmer
- Language: English
- Year: 2016
- Author: Wolfgang Blösel Winfried Schmitz Gunnar Seelentag Jan Timmer
- Language: German
- Year: 2014
- Author: George Athas, Beth M. Stovell, Daniel C. Timmer, Colin M. Toffelmire
- Language: English
- Year: 2021
- Author: Steed Vernyl Davidson, Daniel C. Timmer (editors)
- Language: English
- Year: 2021