diff --git a/04/title.txt b/04/title.txt
new file mode 100644
index 0000000..c71e9dd
--- /dev/null
+++ b/04/title.txt
@@ -0,0 +1 @@
+NDA' 4.
\ No newline at end of file
diff --git a/06/title.txt b/06/title.txt
new file mode 100644
index 0000000..1ccd1ec
--- /dev/null
+++ b/06/title.txt
@@ -0,0 +1 @@
+NDA' 6
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index f880cd8..a6f529e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -71,6 +71,8 @@
 		"02-25",
 		"02-28",
 		"03-title",
+		"04-title",
+		"04-01",
 		"04-04",
 		"04-06",
 		"04-09",
@@ -80,6 +82,11 @@
 		"04-18",
 		"04-20",
 		"04-23",
+		"06-title",
+		"06-01",
+		"06-04",
+		"06-06",
+		"06-08",
 		"08-01",
 		"08-03",
 		"08-06",