Opuscula is accessible with open access six months after the printed volume is published and book reviews are published with open access upon the publication of the printed volume.
Starting in 2023 all text in the Opuscula is published with immediate open access, under a CC-BY license (see https://creativecommons.org). The CC-BY license does not apply to the figures published in the volume, unless this is specified in the figure caption.
Selected volumes in our series are also freely accessible through open access.
Authors should obtain permission from the copyright holders to reproduce any material not owned by the authors, and make sure that the permissions granted by the copyright holders are for print as well as for electronic and open access versions of the journal (permissions should be asked for “non-exclusive, world rights in all languages and media” or, if possible, “CC-BY”).
Authors retain the right to immediately after publication deposit an electronic copy of the published version as supplied by the Editorial Committee, with the source of the original publication clearly acknowledged, in an institutional and/or subject-based repository through which anyone will have access to this electronic copy free of charge.
The responsibilities and rights are listed in the Author’s Warranty form.