Searching “Maqalat al-Islamiyyin English PDF” will lead you to sites claiming to have it. In 99% of cases:
Analysis of the availability, content, and significance of Maqalat al-Islamiyyin in English translation (PDF format). maqalat al-islamiyyin english pdf
Detailed thematic analyses and translated excerpts can be found in doctoral theses, such as those available on Enlighten Theses , which explore specific doctrines like human action within the work. maqalat al-islamiyyin english pdf