The rollers are labelled: "Lehmann-Nitsche La Plata". The language recordings were archived separately and given their own catalogue numbers. W. 7 was included in the Dem. Coll. as no. 73. Correspondence is available. All music recordings were transcribed by Erich Fischer (Fischer 1908). L.-N. dedicated a separate essay to the music sheet recordings (Lehmann-Nitsche 1908). Both essays have since been translated into Spanish. All texts and transcriptions are also available as manuscripts. Some transcriptions are included in Stumpf 1911. Copies of the recordings are in the Institut Carlos Vega in Buenos Aires. Further documents on Lehmann-Nitsche in the EM and Ibero-American Institute SPK.Contents: chants (W. 1-50), music sheet (W. 51-54 = I-IV), language recordings (W.85-100 = vocabulary I-III)