1900
| Date | Vol / Letter / Page | Written From | Written to |
| January 17, 00 | 8 / CLIV / 489 | Bull, Mrs. Ole | |
| January 24, 00 | 6 / CLII / 422 | Los Angeles | Sister Nivedita |
| Early Feb., 00 | 9 / CLXII / 133 | Los Angeles | Sister Nivedita |
| February 15, 00 | 6 / CLIII / 423 | Los Angeles | Sister Nivedita |
| February 15, 00 | 8 / CLV / 491 | Los Angeles | Bull, Mrs. Ole |
| February 20, 00 | 8 / CLVI / 492 | Pasadena | Hale, Mary |
| February 21, 00 | 6 / CLIV* / 425 | California | Swami Akhandananda |
| March 2, 00 | 8 / CLVII / 493 | San Francisco | Hale, Mary |
| March 2, 00 | 9 / CLXIII / 133 | San Francisco | MacLeod, Josephine |
| March 4, 00 | 6 / CLV / 428 | San Francisco | Sister Nivedita |
| March 4, 00 | 8 / CLVIII / 494 | San Francisco | Bull, Mrs. Ole |
| March 7, 00 | 8 / CLIX / 495 | San Francisco | Bull, Mrs. Ole |
| March 7, 00 | 8 / CLX / 498 | San Francisco | MacLeod, Josephine |
| March 12, 00 | 8 / CLXI* / 499 | San Francisco | Swami Brahmananda |
| March 12, 00 | 8 / CLXII / 500 | San Francisco | Hale, Mary |
| March 12, 00 | 8 / CLXIII / 501 | San Francisco | Bull, Mrs. Ole |
| March 12, 00 | 9 / CLXIV / 135 | San Francisco | Sister Christine |
| March 17, 00 | 7 / XLVIII / 521 | San Francisco | Leggett, Mrs. Francis |
| March 17, 00 | 7 / IL / 522 | San Francisco | Leggett, Mrs. Francis |
| March 22, 00 | 8 / CLXIV / 502 | San Francisco | Hale, Mary |
| March 25, 00 | 6 / CLVI / 429 | San Francisco | Sister Nivedita |
| March 28, 00 | 6 / CLVII / 430 | San Francisco | Sister Nivedita |
| March 28, 00 | 8 / CLXV / 503 | San Francisco | Hale, Mary |
| March, 00 | 8 / CLXVI* / 505 | San Francisco | Swami Turiyananda |
| March 30, 00 | 8 / CLXVII / 506 | San Francisco | MacLeod, Josephine |
| 8 / CLXVIII* / 507 | San Francisco | Swami Turiyananda | |
| April, 00 | 8 / CLXIX / 508 | San Francisco | MacLeod, Josephine |
| April 1, 00 | 8 / CLXX / 510 | San Francisco | Bull, Mrs. Ole |
| April 6, 00 | 8 / CLXXI / 512 | San Francisco | Sister Nivedita |
| April 7, 00 | 7 / L / 523 | San Francisco | Leggett, Mrs. Francis |
| April 7, 00 | 8 / CLXXII / 513 | San Francisco | An American Friend |
| April 8, 00 | 8 / CLXXIII / 513 | San Francisco | Bull, Mrs. Ole |
| April 9, 00 | 9 / CLXV / 135 | San Francisco | Sister Christine |
| April 10, 00 | 8 / CLXXIV / 515 | San Francisco | MacLeod, Josephine |
| April 12, 00 | 8 / CLXXV / 517 | Alameda | An American Friend |
| April 17, 00 | 7 / LI / 524 | Leggett, Mr. Francis H. | |
| April 18, 00 | 6 / CLVIII / 431 | Alameda | MacLeod, Josephine |
| April 20, 00 | 8 / CLXXVI / 518 | Alameda | MacLeod, Josephine |
| April 23, 00 | 8 / CLXXVII / 519 | Hale, Mary | |
| April 30, 00 | 8 / CLXXVIII / 520 | Hale, Mary | |
| May 2, 00 | 7 / LII / 525 | Blodgett, Mrs. | |
| May 2, 00 | 8 / CLXXIX / 521 | Sister Nivedita | |
| May 17, 00 | 9 / CLXVI / 136 | San Francisco | Sister Nivedita |
| May 18, 00 | 9 / CLXVII / 137 | San Francisco | Sister Nivedita |
| May 18, 00 | 9 / CLXVIII / 137 | San Francisco | Bull, Mrs. Ole |
| May 19, 00 | 9 / CLXIX / 138 | San Francisco | Sister Christine |
| May 19, 00 | 9 / CLXX / 139 | San Francisco | Swami Abhedananda |
| May 26, 00 | 8 / CLXXX / 522 | San Francisco | Sister Nivedita |
| June 9, 00 | 9 / CLXXI / 140 | New York | Sister Christine |
| June 13, 00 | 9 / CLXXII / 141 | New York | Sister Christine |
| June 15, 00 | 9 / CLXXIII / 142 | New York | Sister Christine |
| June 17, 00 | 8 / CLXXXI / 522 | Los Angeles | Hale, Mary |
| June 20, 00 | 6 / CLIX / 433 | New York | Sister Nivedita |
| June 23, 00 | 8 / CLXXXII / 525 | New York | Hale, Mary |
| June 27, 00 | 9 / CLXXIV / 142 | New York | Sister Christine |
| End of June, 00 | 9 / CLXXV / 143 | New York | Hansbrough, Mrs. Alice (Shanti) |
| July 2, 00 | 6 / CLX / 433 | New York | Sister Nivedita |
| July 3, 00 | 9 / CLXXVI / 144 | New York | Sister Christine |
| July 3, 00 | 9 / CLXXVII / 145 | New York | Hansbrough, Mrs. Alice |
| July 11, 00 | 8 / CLXXXIII / 526 | New York | Hale, Mary |
| July 18, 00 | 8 / CLXXXIV / 527 | New York | Swami Turiyananda |
| July 20, 00 | 8 / CLXXXV / 527 | New York | MacLeod, Josephine |
| July 24, 00 | 8 / CLXXXVI / 528 | New York | MacLeod, Josephine |
| July 24, 00 | 9 / CLXXVIII / 145 | New York | Swami Abhedananda |
| July 25, 00 | 8 / CLXXXVII* / 529 | New York | Swami Turiyananda |
| August, 00 | 8 / CLXXXVIII* / 529 | New York | Brahmachari Harendranath |
| August 3, 00 | 9 / CLXXIX / 146 | Champagne | Sister Christine |
| August 3, 00 | 9 / CLXXX / 146 | Lettane, France | Leggett, Mrs. Francis |
| August 13, 00 | 8 / CLXXXIX* / 530 | Paris | Swami Turiyananda |
| August 14, 00 | 8 / CXC / 531 | Paris | Fox, John |
| August 14, 00 | 9 / CLXXXI / 147 | Paris | Sister Christine |
| August, 00 | 8 / CXCI* / 532 | Paris | Swami Turiyananda |
| August 23, 00 | 9 / CLXXXII / 147 | Paris | Sister Nivedita |
| August 23, 00 | 9 / CLXXXIII / 148 | Paris | Sister Christine |
| August 25, 00 | 6 / CLXI / 434 | Paris | Sister Nivedita |
| August 28, 00 | 6 / CLXII / 435 | Paris | Sister Nivedita |
| September 1, 00 | 8 / CXCII* / 533 | Paris | Swami Turiyananda |
| September, 00 | 8 / CXCIII* / 535 | Paris | Swami Turiyananda |
| September 3, 00 | 6 / CLXIII / 436 | Paris | Leggett, Mrs. Francis |
| September 10, 00 | 6 / CLXIV / 439 | Paris | Sturges, Ms. Alberta |
| September 15, 00 | 9 / CLXXXIV / 148 | Paris | Sister Christine |
| September 22, 00 | 7 / LIII / 529 | Bertagne | Sturges, Ms. Alberta |
| October, 00 | 8 / CXCIV / 536 | Paris | Calve, Emma Madame |
| October 14, 00 | 8 / CXCV / 537 | Paris | Sister Christine |
| October 22, 00 | 9 / CLXXXV / 149 | Rue Ampse | Bull, Mrs. Ole |
| November 1, 00 | 9 / CLXXXVI / 150 | Constantinople | Sturges, Ms. Alberta |
| November 1, 00 | 9 / CLXXXVII / 150 | Constantinople | Sister Christine |
| November 1, 00 | 9 / CLXXXVIII / 151 | Constantinople | Sister Nivedita |
| November 11, 00 | 9 / CLXXXIX / 151 | Athens | Sister Christine |
| November 26, 00 | 8 / CXCVI / 539 | Post Toufeile | MacLeod, Josephine |
| December, 00 | 9 / CXC / 151 | Belur Math | Maharaja of Khetri |
| December 11, 00 | 6 / CLXV / 439 | Belur Math | MacLeod, Josephine |
| December 15, 00 | 8 / CXCVII / 540 | Belur Math | Bull, Mrs. Ole |
| December 19, 00 | 6 / CLXVI / 440 | Belur Math | Sister Nivedita |
| December 26, 00 | 5 / XCIII* / 150 | Belur Math | Swami Ramakrishnananda |
| December 26, 00 | 6 / CLXVII / 440 | Belur Math | MacLeod, Josephine |