diff --git a/DIRECTORY.md b/DIRECTORY.md
index 88c729ed..99957132 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -3,11 +3,56 @@
   * [Xor Cipher](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/ciphers/xor_cipher.ts)
 
 ## Data Structures
-  * [Array Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/array_queue.ts)
-  * [Linked Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/linked_queue.ts)
-  * [Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue.ts)
-  * [Stack](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/stack.ts)
-  * [Stack Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/stack_queue.ts)
+  * Disjoint Set
+    * [Disjoint Set](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/disjoint_set/disjoint_set.ts)
+    * Test
+      * [Disjoint Set.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/disjoint_set/test/disjoint_set.test.ts)
+  * Heap
+    * [Heap](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/heap/heap.ts)
+    * [Max Heap](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/heap/max_heap.ts)
+    * [Min Heap](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/heap/min_heap.ts)
+    * Test
+      * [Max Heap.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/heap/test/max_heap.test.ts)
+      * [Min Heap.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/heap/test/min_heap.test.ts)
+  * List
+    * [Doubly Linked List](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/list/doubly_linked_list.ts)
+    * [Linked List](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/list/linked_list.ts)
+    * [Singly Linked List](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/list/singly_linked_list.ts)
+    * Test
+      * [Doubly Linked List.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/list/test/doubly_linked_list.test.ts)
+      * [Linked List](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/list/test/linked_list.ts)
+      * [Singly Linked List.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/list/test/singly_linked_list.test.ts)
+  * Map
+    * [Hash Map](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/map/hash_map.ts)
+    * [Map](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/map/map.ts)
+    * Test
+      * [Hash Map.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/map/test/hash_map.test.ts)
+  * Queue
+    * [Array Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/array_queue.ts)
+    * [Circular Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/circular_queue.ts)
+    * [Linked Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/linked_queue.ts)
+    * [Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/queue.ts)
+    * [Stack Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/stack_queue.ts)
+    * Test
+      * [Array Queue.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/test/array_queue.test.ts)
+      * [Circular Queue.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/test/circular_queue.test.ts)
+      * [Linked Queue.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/test/linked_queue.test.ts)
+      * [Queue](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/test/queue.ts)
+      * [Stack Queue.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/queue/test/stack_queue.test.ts)
+  * Set
+    * [Hash Map Set](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/set/hash_map_set.ts)
+    * [Map Set](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/set/map_set.ts)
+    * [Set](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/set/set.ts)
+  * Stack
+    * [Linked List Stack](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/stack/linked_list_stack.ts)
+    * [Stack](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/stack/stack.ts)
+    * Test
+      * [Linked List Stack.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/stack/test/linked_list_stack.test.ts)
+      * [Stack.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/stack/test/stack.test.ts)
+  * Tree
+    * [Binary Search Tree](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/tree/binary_search_tree.ts)
+    * Test
+      * [Binary Search Tree.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/data_structures/tree/test/binary_search_tree.test.ts)
 
 ## Dynamic Programming
   * [Knapsack](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/dynamic_programming/knapsack.ts)
@@ -18,9 +63,11 @@
   * [Armstrong Number](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/armstrong_number.ts)
   * [Binary Convert](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/binary_convert.ts)
   * [Calculate Mean](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/calculate_mean.ts)
+  * [Calculate Median](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/calculate_median.ts)
   * [Degrees To Radians](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/degrees_to_radians.ts)
   * [Digit Sum](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/digit_sum.ts)
   * [Factorial](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/factorial.ts)
+  * [Factors](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/factors.ts)
   * [Fibonacci](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/fibonacci.ts)
   * [Find Min](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/find_min.ts)
   * [Greatest Common Factor](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/greatest_common_factor.ts)
@@ -30,8 +77,13 @@
   * [Is Leap Year](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/is_leap_year.ts)
   * [Is Odd](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/is_odd.ts)
   * [Is Palindrome](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/is_palindrome.ts)
+  * [Is Prime](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/is_prime.ts)
   * [Is Square Free](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/is_square_free.ts)
+  * [Juggler Sequence](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/juggler_sequence.ts)
   * [Lowest Common Multiple](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/lowest_common_multiple.ts)
+  * [Number Of Digits](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/number_of_digits.ts)
+  * [Pascals Triangle](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/pascals_triangle.ts)
+  * [Perfect Cube](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/perfect_cube.ts)
   * [Perfect Square](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/perfect_square.ts)
   * [Pronic Number](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/pronic_number.ts)
   * [Radians To Degrees](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/radians_to_degrees.ts)
@@ -41,6 +93,7 @@
       * [Hexagonal Numbers.Test](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/series/test/hexagonal_numbers.test.ts)
   * [Sieve Of Eratosthenes](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/sieve_of_eratosthenes.ts)
   * [Signum](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/signum.ts)
+  * [Zellers Congruence](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/maths/zellers_congruence.ts)
 
 ## Other
   * [Parse Nested Brackets](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/other/parse_nested_brackets.ts)
@@ -59,3 +112,5 @@
   * [Insertion Sort](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/sorts/insertion_sort.ts)
   * [Merge Sort](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/sorts/merge_sort.ts)
   * [Quick Sort](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/sorts/quick_sort.ts)
+  * [Selection Sort](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/sorts/selection_sort.ts)
+  * [Shell Sort](https://github.com/TheAlgorithms/TypeScript/blob/HEAD/sorts/shell_sort.ts)