Since 1890 the DVOC has published a record of birding in the Delaware Valley. The first four publications were "Abstracts of Proceedings of the Delaware Valley Ornithological Club of Philadelphia". Since 1900 the publication has been called Cassinia. The DVOC proud to make this unique resource available on-line.

For issues still under copyright protection, the copyright is retained by the Delaware Valley Ornithological Club and/or the individual authors. Contents may not be reprinted or used without permission. Contact the webmaster for information concerning usage -

(Up to Number XLIX [49], roman numerals were used. Beginning with Number 50, arabic numbers were used)

Abstract of Proceedings I - IV , Cassinia Numbers V - X (1890-1906)

Cassinia Numbers XI - XX (1907-1916)

Cassinia Numbers XXI - XXX (1917-1937)

Cassinia Numbers XXXI - XL (1938-1953)

Cassinia Numbers XLI - 50 (1954-1967)

Cassinia Numbers 51-60 (1968-1983)

Cassinia Numbers 61-70 (1985-2003)

Cassinia Numbers 71- 73) (2004-2009)

Several indexes are available for the Abstracts and Cassinias. Entries for Number 1 (1890-1891) to Number 63 (1988-89) were prepared by Frank and Barb Haas, Bob Mercer and Chris Dooley at the time of the 100th anniversary of the Club. These indexes have been updated to Number 70 (2002-2003) by Lynn Jackson. Further updates have been made to reflect Numbers 71, 72 and 73 (2004-2009)

Click Here for a Alphabetical Table of Contents 1890-2009

Click Here for a Cassinia Title / Subject Index
Click Here for a Cassinia Author Index
Click Here for a Cassinia General Notes Index
Click Here for a Cassinia Obituary, Biography, and Death Notice Index
Click Here for a Cassinia Artwork Index

While the above indexes are useful, more complete, more accurate indexes were published in Cassinias.

An Index to Cassina Numbers 1-52 was published in Cassinia Volume 53
An Index to Cassinia 1890-1990 was published in Cassinia Volume 63
An Addendum to Index to Cassinia, Numbers 64-68 was published in Cassinia 68