diff --git a/concepts/loops/about.md b/concepts/loops/about.md
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/concepts/loops/links.json b/concepts/loops/links.json
new file mode 100644
index 00000000000..fe51488c706
--- /dev/null
+++ b/concepts/loops/links.json
@@ -0,0 +1 @@
+[]
diff --git a/concepts/none/about.md b/concepts/none/about.md
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/concepts/none/links.json b/concepts/none/links.json
new file mode 100644
index 00000000000..fe51488c706
--- /dev/null
+++ b/concepts/none/links.json
@@ -0,0 +1 @@
+[]
diff --git a/concepts/str-methods/about.md b/concepts/str-methods/about.md
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/concepts/str-methods/links.json b/concepts/str-methods/links.json
new file mode 100644
index 00000000000..fe51488c706
--- /dev/null
+++ b/concepts/str-methods/links.json
@@ -0,0 +1 @@
+[]