There are also many testimonies (most of them are there, in fact) of what his contemporaries said here: http://antoine-saint-just.fr/contemporains.html
Remember though that many - although written by Thermidorians - were written in their memoirs, when they were old men in exile in Brussels, and they might then be inspired by the new generations who produce histories on the Revolution (Thiers, Mignet) and they know about the neo-robespierriste wave of the late 1820s (it starts in 1828, more precisely) - and I suspect many of them took the quill to write their memoirs precisely because they were annoyed with the new cult to Robespierre.
no subject
Remember though that many - although written by Thermidorians - were written in their memoirs, when they were old men in exile in Brussels, and they might then be inspired by the new generations who produce histories on the Revolution (Thiers, Mignet) and they know about the neo-robespierriste wave of the late 1820s (it starts in 1828, more precisely) - and I suspect many of them took the quill to write their memoirs precisely because they were annoyed with the new cult to Robespierre.