Acknowledgment

 Kolkata Municipal Corporation

Victoria Memorial

Bangiya Sahitya Parisad

The Asiatic Society

The Indian Museum

The National Library

Sutanuti Parisad

Suvarna Banik Samaj

 Mutty Lal Seal Trust

Anath Nath Deb Trust

The Commissioners for the Port of Calcutta

Geological Survey of India

Calcutta Electric Supply Corporation Ltd.

Eastern Railway

The Statesman

The Telegraph

The Times of India

Hindustan Times

The Economic Times

India Magazine

Calcutta Skyline

The Ananda Bazar Patrika

Desh

Bartaman

Biswa Banga Sammelan-Millenium Committe-1999

M/S, Sen, Law & co

Shaw Bros (Wine) Pvt  Ltd..

(Late) Purnendu Kumar Sengupta,

(Late) Subrata kumar Dasgupta

Samir Roy Chowdhury

Samir Goswamy(E.Rly)

Sujay Bhowmik (Sahityan)

Major Sources

National Atlas & Thematic Mapping Organisation

(Late) Radha Prasad Gupta

(Late) Harisadhan Mukhopadhya

(Late) Grish Chandra Ghosh

(Late) Lokenath Ghosh

(Late) Radha Raman Mitra

Binoy Ghosh

"Sree Pantha"

Ajit Kumar Basu

David William Martin

Ranabir Roy Chowdhury

Shri P T Nair