Many instruments are proprietary and are only available via purchase.
Libraries typically do not own collections of instruments.
An instrument must be purchased directly from the publisher or copyright holder.
Some, but not all, journal articles make the full-text of the instrument available as an appendix.
A comprehensive collection of dissertations and theses from around the world, spanning from 1743 to the present day. It includes full text for graduate works added since 1997 and selected full text for works written prior to 1997.
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