diff --git a/src/teaching/cse-350/2024sp/index.erb b/src/teaching/cse-350/2024sp/index.erb
index 28beccfa..fc549d15 100644
--- a/src/teaching/cse-350/2024sp/index.erb
+++ b/src/teaching/cse-350/2024sp/index.erb
@@ -30,8 +30,13 @@ schedule:
       notes: slide/02-rust_basics.pdf
   - topic: "Background: Data Structures and SQL"
     detail: A review of 250, collection data models, and SQL.
+    docs:
+      notes: slide/03-background.pdf
   - topic: Data Serialization
     detail: An overview of how structured/collection data is represented in memory (and on disk).
+    docs:
+      notes: slide/04-serialization.pdf
+      cdf-index: https://arxiv.org/pdf/1712.01208.pdf
   - topic: The RAM and EM models
     detail: A review of the memory hierarchy, formalizing the external memory model, and an overview of techniques for managing data in external memory, including sorting as an example.
   - topic: B+ Trees
diff --git a/src/teaching/cse-350/2024sp/slide/03-background.pdf b/src/teaching/cse-350/2024sp/slide/03-background.pdf
new file mode 100644
index 00000000..01a7e790
Binary files /dev/null and b/src/teaching/cse-350/2024sp/slide/03-background.pdf differ
diff --git a/src/teaching/cse-350/2024sp/slide/04-serialization.pdf b/src/teaching/cse-350/2024sp/slide/04-serialization.pdf
new file mode 100644
index 00000000..2cf7bd9f
Binary files /dev/null and b/src/teaching/cse-350/2024sp/slide/04-serialization.pdf differ