诺斯特拉语系Nostratic.net[失效連結] Bomhard, Allan R. Bomhard - A Critical Review of Dolgopolsky's Nostratic Dictionary –通过Internet Archive. Bomhard, Allan R. A Comprehensive
黃門 (佛教),而以半擇迦為總名。《廣嗣紀要》提到生、犍、變、半、妒。《本草綱目》提到天、犍、漏、怯、變為五不男。 美國語言學家Allan R. Bomhard(英语:Allan R. Bomhard),指出巴利術語paṇḍaka黃門具有兩層不同涵義。第一層涵義是「閹人」,第二層涵義指的是那些「性上癮者」或「性癮
德內-高加索語系Yasin-Burushaski (Werchikwar). Wiesbaden: Harrassowitz. BOMHARD, Allan R.(英语:Allan R. Bomhard), 1997. "On the origin of Sumerian." Mother Tongue 3: 75-93
声门音理论Beekes, Comparative Indo-European Linguistics. John Benjamins, 1995. Allan R. Bomhard, Reconstructing Proto-Nostratic: Comparative Morphology, Phonology
苏美尔语"Sumero-Indo-European Language Contacts" – University of Helsinki. Bomhard, Allan R. & PJ Hopper (1984) "Toward Proto-Nostratic: a new approach to the