A major historical work was Ramanujan: Letters and commentary a joint work with B C Berndt which Rankin published in 1995; it has been instantly recognised as a exceptional contribution to the history of mathematics.
Isang malaking kasaysayan ng trabaho ay Ramanujan: mga titik at kuro ng isang pinagsamang trabaho sa BC Berndt na Rankin-publish noong 1995; ito ay agad na kinikilala bilang isang katangi-tangi kontribusyon sa kasaysayan ng matematika.