diff --git a/lectures/file-and-data-systems/slides.qmd b/lectures/file-and-data-systems/slides.qmd
index 38cd3bce50483da55dc84044486e1e29d0e45640..8d72f99f56b0b5dee4dd333db3afa9e010035376 100644
--- a/lectures/file-and-data-systems/slides.qmd
+++ b/lectures/file-and-data-systems/slides.qmd
@@ -457,3 +457,8 @@ ln -s /path/to/happiness happy
 | Guanine | T | A | C |
 | Cytosine | G | T | A |
 | Adenine | C | G | T |
+
+# Further reading
+
+* John Harris, Remo Software: History of Storage from Cave Paintings to Electrons<br>
+  http://www.remosoftware.com/info/history-of-storage-from-cave-paintings-to-electrons/