Mahatma Gandhi, Jawaharlal Nehru, Rabindranath Tagore (1968). “Wit and Wisdom of Gandhi, Nehru, Tagore: Being a Treasury of Over Ten Thousand Invaluable and Inspiring Thoughts, Views, and Obervations on about Eight Hundred Subjects of Popular Interest, Collected from the Speeches and Writings of These Three Great Leaders of Modern India”
Theodore Roosevelt (2015). “Theodore Roosevelt on Bravery: Lessons from the Most Courageous Leader of the Twentieth Century”, p.75, Skyhorse Publishing, Inc.
Jawaharlal Nehru (1968). “Glorious thoughts of Nehru: being a treasury of over twelve thousand invaluable and inspiring thoughts, views and observations of Jawaharlal Nehru, collected from his writings and speeches and classified under four hundred subjects”