How can I force bibliography items not to be split across pages? describes how to set the penalties for bibliographies. I tired this but it does not work with natbib. It works if I write the penalties inside the .bbl file, but since this is overwritten regularly, this is not a good solution. Is there a fix to this?




    \@clubpenalty \clubpenalty


\providecommand{\noopsort}[1]{} \providecommand*{\donothing}[1]{}
\expandafter\ifx\csname urlstyle\endcsname\relax

Abbott, Barbara. 1976.
\newblock Right node raising as a test for constituenthood.
\newblock \emph{Linguistic Inquiry} 7(4). 639--642.

Abeill{\'e}, Anne. 1988.
\newblock Parsing {French} with {Tree Adjoining Grammar}: {Some} linguistic
\newblock In D{\'e}nes Vargha (ed.), \emph{Proceedings of {COLING} 88}, 7--12.
  University of Budapest: Association for Computational Linguistics.
\newblock \urlprefix\url{http://www.aclweb.org/anthology/C/C88/C88-1002.pdf}.

Abeill{\'e}, Anne. 2006.
\newblock In defense of lexical coordination.
\newblock In Olivier Bonami \& Patricia Cabredo~Hofherr (eds.), \emph{Empirical
  issues in formal syntax and semantics}, vol.~6, 7--36. Paris: CNRS.
\newblock \urlprefix\url{http://www.cssp.cnrs.fr/eiss6/}.

\bibitem[{Abeill{\'e} \& Rambow(2000)}]{AR2000a-ed-not-crossreferenced}
Abeill{\'e}, Anne \& Owen Rambow (eds.). 2000.
\newblock \emph{{Tree Adjoining Grammars}: Formalisms, linguistic analysis and
  processing} (CSLI Lecture Notes 156).
\newblock Stanford, CA: CSLI Publications.

\bibitem[{Abeill{\'e} \& Schabes(1989)}]{AS89a}
Abeill{\'e}, Anne \& Yves Schabes. 1989.
\newblock Parsing idioms in {Lexicalized TAG}.
\newblock In Harold Somers \& Mary~McGee Wood (eds.), \emph{Proceedings of the
  {Fourth Conference of the European Chapter of the Association for
  Computational Linguistics}}, 1--9. Manchester, England: Association for
  Computational Linguistics.

Abney, Steven~P. 1987.
\newblock \emph{The {English} noun phrase in its sentential aspect}.
\newblock Cambridge, MA: MIT dissertation.
\newblock \urlprefix\url{http://www.vinartus.net/spa/87a.pdf}.

Abney, Steven~P. 1996.
\newblock Statistical methods and linguistics.
\newblock In Judith~L. Klavans \& Philip Resnik (eds.), \emph{The balancing
  act: Combining symbolic and statistical approaches to language}  (Language,
  Speech, and Communication), 1--26. London, England/""Cambridge, MA: MIT

\bibitem[{Abney \& Cole(1986)}]{AC86a}
Abney, Steven~P. \& Jennifer Cole. 1986.
\newblock A {Government-Binding} parser.
\newblock In S.~Berman, J-W. Choe \& J.~McDonough (eds.), \emph{Proceedings of
  {NELS 16}}, 1--17. University of Massachusetts, Amherst: GLSA.

Abraham, Werner. 1995.
\newblock \emph{{Deutsche Syntax im Sprachenvergleich: Grundlegung einer
  typologischen Syntax des Deutschen}} (Studien zur deutschen Grammatik~41).
\newblock T{\"u}bingen: Stauffenburg Verlag.

Abraham, Werner. 2003.
\newblock The syntactic link between thema and rhema: {The} syntax-discourse
\newblock \emph{Folia Linguistica} 37(1--2). 13--34.

Abraham, Werner. 2005.
\newblock \emph{{Deutsche Syntax im Sprachenvergleich: Grundlegung einer
  typologischen Syntax des Deutschen}} (Studien zur deutschen Grammatik~41).
\newblock T{\"u}bingen: Stauffenburg Verlag 2nd edn.

Abzianidze, Lasha. 2011.
\newblock \emph{An {HPSG-based} formal grammar of a core fragment of {Georgian}
  implemented in {TRALE}}.
\newblock Charles University in Prague MA thesis.

\bibitem[{Ackerman \& Webelhuth(1998)}]{AW98a}
Ackerman, Farrell \& Gert Webelhuth. 1998.
\newblock \emph{A theory of predicates} (CSLI Lecture Notes~76).
\newblock Stanford, CA: CSLI Publications.

Adams, Marianne. 1984.
\newblock Multiple interrogation in {Italian}.
\newblock \emph{The Linguistic Review} 4(1). 1--27.

\bibitem[{Ades \& Steedman(1982)}]{AS82a}
Ades, Anthony~E. \& Mark~J. Steedman. 1982.
\newblock On the order of words.
\newblock \emph{Linguistics and Philosophy} 4(4). 517--558.

Adger, David. 2003.
\newblock \emph{Core syntax: {A Minimalist} approach} (Oxford Core
  Linguistics~1). This book probably appeared in some series, what shall I write? Some more words to
  force the page break
\newblock Oxford: Oxford University Press Oxford.



Add the code at the end of the “begin” part:


With your example code, two lines will go in the second page, instead of one.


You can use \interlinepenalty:

  • And this works since natbib does not overwrite \interlinepenalty? – Stefan Müller Mar 7 '16 at 10:28
  • 1
    Yes, also I thought you want to prevent a break completly (something widow and clubpenalty wouldn't do). If you simply want to change the other penalties, go for egregs solution. – Ulrike Fischer Mar 7 '16 at 10:33

Rather than try to "patch" natbib's redefinition of the thebibliography environment, it may be more straightforward to duplicate natbib's code and simply replace the penalty factor 4000 with 10000.

The relevant piece of code starts on line 1063 of the file natbib.sty.

In your code, remove the lines

    \@clubpenalty \clubpenalty

and replace them with

   \renewcommand\newblock{\hskip .11em \@plus.33em \@minus.07em}%
    \let\citeN\cite \let\shortcite\cite
  \PackageWarning{natbib}{Empty `thebibliography' environment}%
  • Ah, interesting hack! But who knows what future developments of natbib will do with this command ... – Stefan Müller Mar 7 '16 at 10:27
  • @StefanMüller - The natbib package has been very stable over the past few years. – Mico Mar 7 '16 at 13:42

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