Biography of Mao Shi, Notes on Sanli, and Mencius Chapters and Sentences (Notes)
Tang Dynasty: Justice of Five Classics
Song Dynasty: Biography of Poetry and Notes on Four Books and Chapters
Qing dynasty: elegance, explanation, exegesis, and narration of Confucian classics.
Contemporary: ancient Chinese lexicology, ancient Chinese vocabulary outline, philology outline.
Contemporary can read through.
For other books, it is enough for undergraduates to read one or two books, and graduate students can read several books intensively, but each one must be shot for curiosity.