A card from friends (Etienne and Monique) to the artist, 3 February 1992 A card from friends (Etienne and Monique) to the artist, 3 February 1992 Dr. L.M. Singhvi to President A.P.J. Abdul Kalam, 27th April 2004 Dr. L.M. Singhvi to President A.P.J. Abdul Kalam, 27th April 2004 Letter from Amar Nath Sehgal to the Indian Court, 16 July 2001 Letter from Amar Nath Sehgal to the Indian Court, 16 July 2001 Letter from Amar Nath Vidyalankar to the artist, 04 February 1958. Letter from Amar Nath Vidyalankar to the artist, 04 February 1958. Letter from Coretta Scott King to the artist, 7 May 1972 Letter from Coretta Scott King to the artist, 7 May 1972 Letter from Kenneth B. Keating to the artist, 25 July 1972 Letter from Kenneth B. Keating to the artist, 25 July 1972 Letter from President Zakir Husain to Amar Nath Sehgal, 3 June, 1967 Letter from President Zakir Husain to Amar Nath Sehgal, 3 June, 1967 Letter from Prime Minister Indira Gandhi to the artist, 29 May, 1965 Letter from Prime Minister Indira Gandhi to the artist, 29 May, 1965 Letter from Y.D. Gundevia to the artist, 08 April 1963 Letter from Y.D. Gundevia to the artist, 08 April 1963 President Richard Nixon to the artist, 3 November 1969 President Richard Nixon to the artist, 3 November 1969 Prime Minister Jawaharlal Nehru to the artist, 20 October 1962 Prime Minister Jawaharlal Nehru to the artist, 20 October 1962 R.C Shukla, Department of Painting, Benaras Hindu University to the artist, 29 January 1973 R.C Shukla, Department of Painting, Benaras Hindu University to the artist, 29 January 1973