diff --git a/extra/graph-theory/authors.txt b/extra/graph-theory/authors.txt
new file mode 100644
index 0000000000..93667236de
--- /dev/null
+++ b/extra/graph-theory/authors.txt
@@ -0,0 +1 @@
+William Schlieper
diff --git a/extra/graph-theory/summary.txt b/extra/graph-theory/summary.txt
new file mode 100644
index 0000000000..3e1d791ab1
--- /dev/null
+++ b/extra/graph-theory/summary.txt
@@ -0,0 +1 @@
+Graph-theoretic algorithms
diff --git a/extra/graph-theory/tags.txt b/extra/graph-theory/tags.txt
new file mode 100644
index 0000000000..42d711b32b
--- /dev/null
+++ b/extra/graph-theory/tags.txt
@@ -0,0 +1 @@
+collections