The organist and hymn playing

Bibliography: p.66-67.

Punched cards; their applications to science and industry.

Mode of access: Internet.

The complete cost-keeper; some original systems of shop cost-keeping or factory accounting, together with an exposition of the advantages of account keeping by means of cards instead of books.

Mode of access: Internet.

Punched cards : their applications to science and industry /

Contains bibliographies.

Marginal punched cards in college and research libraries.

Mode of access: Internet.