As far as my knowledge and research is concerned , " RECONSTRUCTION OF RELIGIOUS THOUGHT IN ISLAM " seems to be the last book of Iqbal on religious journey. It is an amazing and very difficult book...
cant write the names here but this s the site from which i took help from: http://www.allamaiqbal.com/webcont/354/E-Books.html1. Ilm-ul-Iqtisad 2. The Development of Metaphysics in Persia 3....