Heinrichshofen's Verlag Fridolin Band 1, Coursebook for Guitar, For children from 7 years, Approx. 100 songs and pieces, By Hans Joachim Teschner, For individual and group lessons, In standard notation, ISBN 9783938202029, ISMN 9790204420209, publisher's no. N2020, Format: 23 x 30.5 cm, 80 Pages, In German