"Algebras, Linear Study and teaching (Higher)" . . "Algebras, Linear Textbooks." . . "Matrices Study and teaching (Higher)" . . "Linear and multilinear algebra; matrix theory -- Instructional exposition (textbooks, tutorial papers, etc.)." . . . . "Matrices Textbooks." . . "Combinatorics -- Instructional exposition (textbooks, tutorial papers, etc.)." . . . . . . . . . . "Linear algebra and matrices : topics for a second course" . .