diff --git a/README.md b/README.md
index fc02378..b9be326 100644
--- a/README.md
+++ b/README.md
@@ -129,6 +129,51 @@ software development/engineering roles.
 
 ### Topics of Study
 
+- [Algorithmic complexity / Big-O / Asymptotic analysis](#algorithmic-complexity--big-o--asymptotic-analysis)
+- [Data Structures](#data-structures)
+    - [Arrays](#arrays)
+    - [Linked Lists](#linked-lists)
+    - [Stack](#stack)
+    - [Queue](#queue)
+    - [Hash table](#hash-table)
+- [More Knowledge](#more-knowledge)
+    - [Binary search](#binary-search)
+    - [Bitwise operations](#bitwise-operations)
+- [Trees](#trees)
+    - [Trees - Notes & Background](#trees---notes--background)
+    - [Binary search trees: BSTs](#binary-search-trees-bsts)
+    - [Heap / Priority Queue / Binary Heap](#heap--priority-queue--binary-heap)
+    - balanced search trees (general concept, not details)
+    - traversals: preorder, inorder, postorder, BFS, DFS
+- [Sorting](#sorting)
+    - selection
+    - insertion
+    - heapsort
+    - quicksort
+    - merge sort
+- [Graphs](#graphs)
+    - directed
+    - undirected
+    - adjacency matrix
+    - adjacency list
+    - traversals: BFS, DFS
+- [Even More Knowledge](#even-more-knowledge)
+    - [Recursion](#recursion)
+    - [Dynamic Programming](#dynamic-programming)
+    - [Design Patterns](#design-patterns)
+    - [Combinatorics (n choose k) & Probability](#combinatorics-n-choose-k--probability)
+    - [NP, NP-Complete and Approximation Algorithms](#np-np-complete-and-approximation-algorithms)
+    - [How computers process a program](#how-computers-process-a-program)
+    - [Caches](#caches)
+    - [Processes and Threads](#processes-and-threads)
+    - [Testing](#testing)
+    - [String searching & manipulations](#string-searching--manipulations)
+    - [Tries](#tries)
+    - [Floating Point Numbers](#floating-point-numbers)
+    - [Unicode](#unicode)
+    - [Endianness](#endianness)
+    - [Networking](#networking)
+- [Final Review](#final-review)
 
 ### Getting the Job
 
@@ -143,6 +188,51 @@ software development/engineering roles.
 
 ### Optional Extra Topics & Resources
 
+- [Additional Books](#additional-books)
+- [System Design, Scalability, Data Handling](#system-design-scalability-data-handling) (if you have 4+ years experience)
+- [Additional Learning](#additional-learning)
+    - [Compilers](#compilers)
+    - [Emacs and vi(m)](#emacs-and-vim)
+    - [Unix command line tools](#unix-command-line-tools)
+    - [Information theory](#information-theory-videos)
+    - [Parity & Hamming Code](#parity--hamming-code-videos)
+    - [Entropy](#entropy)
+    - [Cryptography](#cryptography)
+    - [Compression](#compression)
+    - [Computer Security](#computer-security)
+    - [Garbage collection](#garbage-collection)
+    - [Parallel Programming](#parallel-programming)
+    - [Messaging, Serialization, and Queueing Systems](#messaging-serialization-and-queueing-systems)
+    - [A*](#a)
+    - [Fast Fourier Transform](#fast-fourier-transform)
+    - [Bloom Filter](#bloom-filter)
+    - [HyperLogLog](#hyperloglog)
+    - [Locality-Sensitive Hashing](#locality-sensitive-hashing)
+    - [van Emde Boas Trees](#van-emde-boas-trees)
+    - [Augmented Data Structures](#augmented-data-structures)
+    - [Balanced search trees](#balanced-search-trees)
+        - AVL trees
+        - Splay trees
+        - Red/black trees
+        - 2-3 search trees
+        - 2-3-4 Trees (aka 2-4 trees)
+        - N-ary (K-ary, M-ary) trees
+        - B-Trees
+    - [k-D Trees](#k-d-trees)
+    - [Skip lists](#skip-lists)
+    - [Network Flows](#network-flows)
+    - [Disjoint Sets & Union Find](#disjoint-sets--union-find)
+    - [Math for Fast Processing](#math-for-fast-processing)
+    - [Treap](#treap)
+    - [Linear Programming](#linear-programming-videos)
+    - [Geometry, Convex hull](#geometry-convex-hull-videos)
+    - [Discrete math](#discrete-math)
+    - [Machine Learning](#machine-learning)
+- [Additional Detail on Some Subjects](#additional-detail-on-some-subjects)
+- [Video Series](#video-series)
+- [Computer Science Courses](#computer-science-courses)
+- [Papers](#papers)
+
 ---
 
 ## Why use it?