diff --git a/Leslie_1968_Gregg-Notehand.md b/Leslie_1968_Gregg-Notehand.md
index 791c050..e45e685 100644
--- a/Leslie_1968_Gregg-Notehand.md
+++ b/Leslie_1968_Gregg-Notehand.md
@@ -1,8 +1,11 @@
 ---
 id:
-aliases: 
+aliases:
   - gregg notehand
-tags: []
+tags:
+  - authorship/other
+  - type/media
+  - destiny/permanent
 title: Gregg Notehand
 subtitle: A Personal-Use Shorthand & Integrated Instruction in How to Make Notes
 author: Leslie, Louis A. AND Zoubek, Charles E. AND Poe, Roy W. AND Deese, James
diff --git a/graphs.md b/graphs.md
new file mode 100644
index 0000000..d10e8ec
--- /dev/null
+++ b/graphs.md
@@ -0,0 +1,16 @@
+---
+id:
+aliases: []
+tags:
+  - authorship/other-for-now
+  - destiny/uncertain
+  - type/encyclopedia
+title: Graphs
+---
+# Graphs
+
+[Graph (discrete mathematics)](https://en.wikipedia.org/wiki/Graph_\(discrete_mathematics\))
+
+## Topological Sorting
+
+[Topological Sorting](https://en.wikipedia.org/wiki/Topological_sorting)
diff --git a/personal-tasks.md b/personal-tasks.md
index 8fe7bd2..caef486 100644
--- a/personal-tasks.md
+++ b/personal-tasks.md
@@ -1,3 +1,11 @@
+---
+id:
+aliases: []
+tags:
+  - authorship/original
+  - destiny/permanent/entry-point
+title: Personal Tasks
+---
 # Personal Tasks
 
 This note collects my personal tasks and goals.
@@ -5,4 +13,4 @@ This note collects my personal tasks and goals.
 For tasks relevant to the organization of [[this-notebook]],
 see [[TODO]].
 
-![[tasks.base#personal]]
\ No newline at end of file
+![[tasks.base#personal]]
diff --git a/quantities.md b/quantities.md
index e3861f8..654755d 100644
--- a/quantities.md
+++ b/quantities.md
@@ -1,7 +1,8 @@
 ---
 id:
 aliases: []
-tags: []
+tags:
+  - authorship/original
 title: Quantities
 ---
 # Quantities
diff --git a/secure-facilities.md b/secure-facilities.md
index dcf11be..a8b1b73 100644
--- a/secure-facilities.md
+++ b/secure-facilities.md
@@ -1,3 +1,14 @@
+---
+id:
+aliases: []
+tags:
+  - authorship/other-for-now
+  - destiny/permanent
+  - topic/construction
+  - topic/construction/electrical
+  - type/encyclopedia
+title: Secure Facilities
+---
 # Secure Facilities
 
 [Sensitive Compartmented Information Facility](https://en.wikipedia.org/wiki/Sensitive_compartmented_information_facility)
diff --git a/the-book-of-the-new-sun.md b/the-book-of-the-new-sun.md
index fa0cfc3..a340a51 100644
--- a/the-book-of-the-new-sun.md
+++ b/the-book-of-the-new-sun.md
@@ -1,7 +1,11 @@
 ---
 id:
 aliases: []
-tags: []
+tags:
+  - authorship/original
+  - destiny/permanent
+  - topic/hobbies
+  - type/media-commentary
 title: The Book of the New Sun
 ---
 # The Book of the New Sun
diff --git a/topological-sorting.md b/topological-sorting.md
deleted file mode 100644
index 0aa7c7b..0000000
--- a/topological-sorting.md
+++ /dev/null
@@ -1,9 +0,0 @@
----
-id:
-aliases: []
-tags: []
-title: Topological Sorting
----
-# Topological Sorting
-
-[Topological Sorting](https://en.wikipedia.org/wiki/Topological_sorting)