Abdul-Baha on the Value of a Universal Language

An Attempt towards an International Language: Preface and Part I: Introduction

Beginning Latin: Lesson 3

Easy Conversations in French 1-14

Greek Lessons: 21 - 25

Introduction from Hand-Book of Volapük

Leccion Tercera, from New First Spanish Book

Lessons 11 - 15 from Esperanto in Twenty Lessons

Lessons 26 - 30 from A Practical Arabic Course

Of the Greek alphabet from Elucidations of the Student's Greek Grammar

Preface from A Grammar of the Persian Language

Preface from Arabic Syntax chiefly selected from the Hidayut-oon-Nuhvi

Pronunciation of the vowels and diphthongs from Elucidations of the Student's Greek Grammar

Slips of Speech: Chapter 03

Slips of Speech: Chapter 04

Slips of Speech: Chapter 05

Slips of Speech: Chapter 06

Slips of Speech: Chapter 07

Slips of Speech: Chapter 08

The Alphabet/Classifications of Sounds from New Latin Grammar