diff --git a/content/reflection/shadowlibraries.md b/content/reflection/shadowlibraries.md
index 336c735..bb56393 100644
--- a/content/reflection/shadowlibraries.md
+++ b/content/reflection/shadowlibraries.md
@@ -1,5 +1,6 @@
 +++
 title = "Shadow libraries"
+glassblowers = ["marcellmars.md", "tomislavmedak.md"]
 has_shards = ["subversionofcopyright.md", "privatization.md", "guerillaopenaccess.md"]
 +++