TY  - MANSCPT
AU  - Gehrkens, Karl Wilson 
TI  - Essentials in conducting / 
U1  - 781.6 G27 
PY  - 1919///
CY  - s/l : 
PB  - Oliver Ditson, 
KW  - Musica
KW  - Musica-Teoria
ER  -