- CFKL : Felix Klein: Manuscripts
- CFKL 1 Series : Abbe Felix Klein- Correspondence 1889-1948
- CFKL 1/01 Folder : Abbe Felix Klein- Correspondence 1889-1896
- CFKL 1/01 Correspondent : T.R. Celt to Abbe Felix Klein 1889/0101
- CFKL 1/01 Correspondent : Louis Negul to Abbe Felix Klein 1890/0618
- CFKL 1/01 Correspondent : Henri de Tourville to Abbe Felix Klein? 1894/0225
- CFKL 1/01 Correspondent : Bishop Frederic to Abbe Felix Klein 1894/0312
- CFKL 1/01 Correspondent : Superiour du Petit Seminaire de Meximieux to F. Klein 1894/0323
- CFKL 1/01 Correspondent : G.? to Abbe Felix Klein 1894/0405
- CFKL 1/01 Correspondent : Cardinal Rampolla to Abbe Felix Klein 1894/0414
- CFKL 1/01 Correspondent : Bp. Ireland to Abbe Felix Klein (copy) 1894/0520
- CFKL 1/01 Correspondent : Bishop John Ireland (St. Paul) to Abbe Felix Klein 1896/0715
- CFKL 1/01 Correspondent : Abbe Felix Klein to M. Goyeiu 1896/1026
- CFKL 1/02 Folder : Abbe Felix Klein- Correspondence 1897
- CFKL 1/02 Correspondent : P. Crouille to Abbe Felix Klein, encl. 1897/0316
- CFKL 1/02 Correspondent : S. Chemebrug to Abbe Felix Klein ? 1897/0609
- CFKL 1/02 Correspondent : Laleleur to Abbe Felix Klein 1897/0614
- CFKL 1/02 Correspondent : Demolins to Abbe Felix Klein 1897/0615
- CFKL 1/02 Correspondent : Bernard Brundy to Abbe Felix Klein, de Lavernett to Abbe Felix Klein 1897/0616
- CFKL 1/02 Correspondent : Joseph Soudan to Abbe Felix Klein 1897/0617
- CFKL 1/02 Correspondent : Walter Elliot to Abbe Felix Klein, A. Hermance notes to Abbe Felix Klein 1897/0618
- CFKL 1/02 Correspondent : Laney to Abbe Felix Klein 1897/0620
- CFKL 1/02 Correspondent : Guy Manlee to Abbe Felix Klein 1897/0623
- CFKL 1/02 Correspondent : L. Chaptal to Abbe Felix Klein 1897/0630
- CFKL 1/02 Correspondent : A. Bogul to Abbe Felix Klein 1897/0716
- CFKL 1/02 Correspondent : A. Poulain to Abbe Felix Klein 1897/0717
- CFKL 1/02 Correspondent : Walter Elliot to Abbe Felix Klein (also typed copies) 1897/0728
- CFKL 1/02 Correspondent : Paul Vognay to Abbe Felix Klein 1897/0731
- CFKL 1/02 Correspondent : L. Normany to Abbe Felix Klein 1897/0811
- CFKL 1/02 Correspondent : Laveday to Abbe Felix Klein 1897/0915
- CFKL 1/02 Correspondent : Doungru to Abbe Felix Klein 1897/0920
- CFKL 1/02 Correspondent : Rev Barre SJ to Abbe Felix Klein 1897/0921
- CFKL 1/02 Correspondent : L.B. to Abbe Felix Klein 1897/0923
- CFKL 1/02 Correspondent : A. Firnbach to Abbe Felix Klein 1897/1021
- CFKL 1/02 Correspondent : Thomas Braur to Abbe Felix Klein 1897/1108
- CFKL 1/02 Correspondent : Dufresny to Abbe Felix Klein 1897/1130
- CFKL 1/02 Correspondent : to Abbe Felix Klein, incomplete 1897/1202
- CFKL 1/02 Correspondent : J. Packen SJ to Abbe Felix Klein 1897/1223
- CFKL 1/03 Folder : Abbe Felix Klein- Correspondence 1898
- CFKL 1/03 Correspondent : L. Plauns to Abbe Felix Klein 1898/0104
- CFKL 1/03 Correspondent : John J. Keane to Abbe Felix Klein 1898/0109
- CFKL 1/03 Correspondent : Sizeran to Abbe Felix Klein 1898/0125
- CFKL 1/03 Correspondent : Bill of P.E. Lefebvre, Calignani Library, notes verso 1898/0209
- CFKL 1/03 Correspondent : Boutmy to Abbe Felix Klein, P.E. Lefebvre to Augustine 1898/0217
- CFKL 1/03 Correspondent : Poem- Mors Aut Vita 1898/03
- CFKL 1/03 Correspondent : M. Boutmy to Abbe Felix Klein, Abbe Sufresne to Abbe Felix Klein 1898/0310
- CFKL 1/03 Correspondent : Abbe Sufresne to Abbe Felix Klein 1898/0314
- CFKL 1/03 Correspondent : L. Chaptal to Abbe Felix Klein 1898/0316
- CFKL 1/03 Correspondent : H.C. to Abbe Felix Klein 1898/0323
- CFKL 1/03 Correspondent : Cardinal Gibbons to Rev Elliott 1898/0414
- CFKL 1/03 Correspondent : Chabrol to Abbe Felix Klein 1898/0430
- CFKL 1/03 Correspondent : A. Poulain S.J. to Abbe Felix Klein 1898/0516
- CFKL 1/03 Correspondent : Cardinal Gibbons to Abbe Felix Klein, J. to Abbe Felix Klein 1898/0520
- CFKL 1/03 Correspondent : L. Plauns to Abbe Felix Klein 1898/0521
- CFKL 1/03 Correspondent : A. Laveille to Abbe Felix Klein 1898/0620
- CFKL 1/03 Correspondent : Rene Reinaudir to Abbe Felix Klein 1898/0623
- CFKL 1/03 Correspondent : Dufresne to Abbe Felix Klein 1898/0625
- CFKL 1/03 Correspondent : Paul Wagnar to Abbe Felix Klein 1898/0627
- CFKL 1/03 Correspondent : A. Brunner to Abbe Felix Klein 1898/0628
- CFKL 1/03 Correspondent : D. to Abbe Felix Klein 1898/0702
- CFKL 1/03 Correspondent : Tyeraun to Abbe Felix Klein 1898/0704
- CFKL 1/03 Correspondent : L. Plauns to Abbe Felix Klein 1898/0710
- CFKL 1/03 Correspondent : D'Ade Longae de Laborie to Abbe Felix Klein 1898/0719
- CFKL 1/03 Correspondent : P.E. Lefebvre to Abbe Felix Klein 1898/0728
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre, Postcard: Abbe Felix Klein to Leon Lefebvre 1898/0729
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre, P.E. Lefebvre to Abbe Felix Klein 1898/0731
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre 1898/0801
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre 1898/0802
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre 1898/0803
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre, P.E. Lefebvre to Abbe Felix Klein 1898/0804
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre 1898/0805
- CFKL 1/03 Correspondent : Abbe Felix Klein to Monsieur ?, Abbe Felix Klein to Madame ?, P.E. Lefebvre to Abbe Felix Klein 1898/0806
- CFKL 1/03 Correspondent : P.E. Lefebvre to Abbe Felix Klein, P.E. Lefebvre to Abbe Felix Klein, Abbe Felix Klein to Monsieur ? 1898/0807
- CFKL 1/03 Correspondent : Postcard: Abbe Felix Klein to Leon Lefebvre 1898/0808
- CFKL 1/03 Correspondent : M.R. Defresne to Abbe Felix Klein 1898/0810
- CFKL 1/03 Correspondent : P.E. Lefebvre to Abbe Felix Klein 1898/0811
- CFKL 1/03 Correspondent : Marie Mureaut to Abbe Felix Klein, L. Danemark to Abbe Felix Klein 1898/0813
- CFKL 1/03 Correspondent : Abbe Felix Klein to M. le Doyen (draft) 1898/0824
- CFKL 1/03 Correspondent : L. Lefebvre to Abbe Felix Klein 1898/0918
- CFKL 1/03 Correspondent : Chabrol to Abbe Felix Klein 1898/0924
- CFKL 1/03 Correspondent : M. Srabran 1898/0928
- CFKL 1/03 Correspondent : A. Borusson to Abbe Felix Klein 1898/0930
- CFKL 1/03 Correspondent : H.M.H. to Abbe Felix Klein 1898/1001
- CFKL 1/03 Correspondent : Abbe Felix Klein to Madame, Abbe Felix Klein to M. & M. Dufresne 1898/1011
- CFKL 1/03 Correspondent : G. Goyay to Abbe Felix Klein 1898/1012
- CFKL 1/03 Correspondent : A.J. Chabrol to Abbe Felix Klein 1898/1017
- CFKL 1/03 Correspondent : A. Magnier to Abbe Felix Klein 1898/1018
- CFKL 1/03 Correspondent : Rev Elliott note to Abbe Felix Klein 1898/1026
- CFKL 1/03 Correspondent : Dufresne to Abbe Felix Klein 1898/1103
- CFKL 1/03 Correspondent : Dufresne to Abbe Felix Klein 1898/1112
- CFKL 1/03 Correspondent : Dufresne to Abbe Felix Klein 1898/1116
- CFKL 1/03 Correspondent : H. Villaro 1898/1119
- CFKL 1/03 Correspondent : Chabrol to Abbe Felix Klein 1898/1126
- CFKL 1/03 Correspondent : Claude Bouvier to Abbe Felix Klein 1898/1130
- CFKL 1/03 Correspondent : de Guerines to Abbe Felix Klein 1898/1212
- CFKL 1/03 Correspondent : Eug. Manber to Abbe Felix Klein 1898/1226
- CFKL 1/03 Correspondent : A. Douprat to Abbe Felix Klein 1898/1228
- CFKL 1/04 Folder : Abbe Felix Klein- Correspondence 1899
- CFKL 1/04 Correspondent : J. Zahm to Abbe Felix Klein 1899/0106