Brockhaus-1911: Ammoniak [2] · Ammoniak
Lueger-1904: Kieselsaures Ammoniak · Salpetersaures Ammoniak · Ammoniak [1] · Ammoniak [2]
Meyers-1905: Phosphorsaures Ammoniak · Salpetersaures Ammoniak · Schwefelsaures Ammoniak · Kohlensaures Ammoniak · Ammonĭak · Chromsaures Ammoniak · Essigsaures Ammoniak
Pierer-1857: Purpursaures Ammoniak · Ammoniak-Alaun · Ammonĭak