Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest, Clifford Stein, Introduction to Algorithms (3rd Edition).

• Comprehensive coverage of searching and sorting algorithms, their analysis, and applications.

Robert Sedgewick & Kevin Wayne, Algorithms (4th Edition).

• Practical explanations and visualizations of searching and sorting techniques.

Wikipedia: Sorting Algorithm

• https://en.wikipedia.org/wiki/Sorting_algorithm
• Overview, types, and comparisons of sorting algorithms.

Wikipedia: Search Algorithm

• https://en.wikipedia.org/wiki/Search_algorithm
• Theory and examples of searching algorithms.

NPTEL: Data Structures and Algorithms

• https://nptel.ac.in/courses/106/106/106106127/
• Video lectures and notes on searching and sorting.