diff --git a/03/title.txt b/03/title.txt
new file mode 100644
index 0000000..6896b31
--- /dev/null
+++ b/03/title.txt
@@ -0,0 +1 @@
+Eta 3
\ No newline at end of file
diff --git a/04/title.txt b/04/title.txt
new file mode 100644
index 0000000..ca71604
--- /dev/null
+++ b/04/title.txt
@@ -0,0 +1 @@
+Eta 4
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 182c7ec..d1f0dc6 100644
--- a/manifest.json
+++ b/manifest.json
@@ -54,6 +54,27 @@
 		"02-04",
 		"02-06",
 		"02-08",
-		"02-10"
+		"02-10",
+		"02-13",
+		"02-16",
+		"02-18",
+		"02-20",
+		"03-title",
+		"03-01",
+		"03-05",
+		"03-09",
+		"03-12",
+		"03-15",
+		"03-18",
+		"03-22",
+		"04-title",
+		"04-01",
+		"04-02",
+		"04-05",
+		"04-07",
+		"04-10",
+		"04-12",
+		"04-15",
+		"04-18"
 	]
 }
\ No newline at end of file