Pinyin - English dictionary and English - Pinyin indexMathaus Njeck, Vivian Takam, Robert Hedinger · First published 2021Open the Tome
Dictionnaire dii (dourou)--français avec indexes français et anglais = Dii (Duru)--French dictionary with French and English indexesLee E. Bohnhoff, Kadia Mathieu, Asmaou Marthe, Robert Hedinger, Marlene Ferguson · First published 2019Open the Tome
Lamnso'-English dictionaryKarl H. Grebe, Patrick Siiyatan, Robert Hedinger, A. Vensu, Mathaus Njeck · First published 2015Open the Tome
Akoose-English dictionary and English-Akoose indexRobert Hedinger · First published 2012Open the Tome
Descriptions de langues camerounaisesDaniel Barreteau, Robert Hedinger · First published 1989Open the Tome
The Manenguba languages (Bantu A. 15, Mbo cluster) of CameroonRobert Hedinger · First published 1987Open the Tome
