diff --git a/books/free-programming-books-subjects.md b/books/free-programming-books-subjects.md
index 979a3dd07..87de2a110 100644
--- a/books/free-programming-books-subjects.md
+++ b/books/free-programming-books-subjects.md
@@ -599,7 +599,7 @@ Books that cover a specific programming language can be found in the [BY PROGRAM
 * [Linear Algebra](http://joshua.smcvt.edu/linearalgebra/) - Jim Hefferon
 * [Linear Algebra Done Right](https://linear.axler.net) - Sheldon Axler
 * [Linear Algebra Done Wrong](https://www.math.brown.edu/streil/papers/LADW/LADW.html) - Sergei Treil
-* [Linear Algebra, Infinite Dimensions, and Maple](https://people.math.gatech.edu/~herod/Hspace/Hspace.html) - James Herod
+* [Linear Algebra, Infinite Dimensions, and Maple](https://web.archive.org/web/20240313042212/https://herod.math.gatech.edu/Hspace/Hspace.html) - James Herod (HTML) *( :card_file_box: archived)*
 * [ORCCA: Open Resources for Community College Algebra](https://spaces.pcc.edu/pages/viewpage.action?pageId=52729944) - Portland Community College
 * [Paul's Online Notes: Algebra, Calculus I-III and Differential Equations](https://tutorial.math.lamar.edu) - Paul Dawkins @ Lamar University
 * [Second Course in Algebra](http://djm.cc/library/Second_Algebra_Hawkes_Luby_Touton_edited.pdf) - Herbert E. Hawkes, William A. Luby, Frank C. Touton (PDF)