His Autobiography was published in 1850.
His autobiography was published a few years ago.
In the Discourse of Method Descartes had sketched the main points in his new views, with a mental autobiography which might explain their origin, and with some suggestions of as to their applications.
He wrote in his autobiography that he was impressed with her beauty.
About this work he said little in the Autobiography, probably because his main concern there was to expound the influences that effected his moral and mental development.