Dumas published the Musketeers' Stories in three installments. (French title / into English / Publish Year)
1.) LES TROIS MOUSQUENTAIRES (The Three Musketeers) 1844
2.) VINGT ANS APRÈS (Twanty Years After) 1845
3.) THE VICOMTE DE BRAGELONNE (The Viscount of Bragelonne) 1847
Recommended Books for the Musketeers' Fan
1.) All the Musketeers' Stories
Dumas, Alexandre. Les Mousquetaires 1-3.
I got it in Paris at 1993. And it is still possible to get easy now. This book contains not only Dumas original novels but a detailed explanation and a biographical dictionary of 174 pages written by Claude Schopp.
Dumas, Alexandre. Alexandre Dumas Édition Illustrée.
Paris: Jean-Claude Lattés Editeur, 1988. ISBN ?
199FF
This book contains all the Musketeers' Stories and "The Count of Monte-Crist" with a lot of beautiful Illustrations drawn by Maurice Leloir, de La NéZière and J. Désandré & A. de Neuville etc.
2.) Except the last stories
Dumas, Alexandre. Les Trois Mousquetaires / Vingt ans après.
Some French library possessed the book. The detailed explanation and notes written by Gilbert Sigaux.
<©The Three Musketeers Club Japan / Report: No.19 Louis Isezaki>