5 books
The Netti-Pakarana
The Pali Dhatupatha and the Dhatumanjusa. Edited with Indexes by Dines Andersen and Helmer Smith - Primary Source Edition
Das Sechste Kapitel Der Rupasiddhi, Nach Drei Singhalesischen Pali-Handschriften, Hrsg. Von Albert Grunwedel
The Pali Dhatupatha and the Dhatumanjusa. Edited with Indexes by Dines Andersen and Helmer Smith
An Introduction to Kachcha Yana's Grammar of the Pa Li Language