# English bibliography in an otherwise german LaTeX document

I have a LaTeX document in German. The only thing I want in English are the entries of the bibliography. How do I do this?

Here is my minimal working example:

my main.tex document:

\documentclass[ngerman]{MastersDoctoralThesis}
\usepackage[backend=bibtex, style=ieee, citestyle=numeric-comp, natbib=true, sorting=none]{biblatex}
\addbibresource{bibfile.bib} %The filename of the bibliography

\begin{document}

\chapter{SomeExampleChapter, with Kapitel, not chapter..}
example of a citation \cite{Reference1}.   Here everything is in german, e.g.  Abbildung statt figure,  Kapitel instead of chapter etc...

\end{document}


and my bibfile.bib:

@article{Reference1,
Author = {C. J. Hawthorn and K. P. Weber and R. E. Scholten},
Journal = {Rev. Sci. Instrum.},
Number = {12},
Pages = {4477--4479},
Title = {Littrow Configuration Tunable External Cavity Diode Laser with Fixed Direction Output Beam},
Year = {2001}
}


So far the bibliography reads: C. J. Hawthorn, K.P. Weber und R.E. Scholten

I want it to be: C. J. Hawthorn, K.P. Weber and R.E. Scholten

The und should be changed to and. Apart from that, nothing should be changed.

I know similar questions have been asked, but I struggled with all the answers there.

• Welcome to TeX SX! With the autolang=other option of biblatex, you can add the field langid to specify the language used for bibliography items on an individual basis. – Bernard Apr 21 '17 at 21:48
• umm after adding autolang=other to the options of biblatex and adding the line langid={english}, in the bibfile.bib, I get the error: Package babel Error: Unknown language 'english'. Either you have (babel) install it or just rerun the file, respectively. I tried to fix that error with \usepackage[english,german]{babel}, but it didn't work.. – Anton Rodenhauser Apr 21 '17 at 22:23
• @AntonRodenhauser: In this case remove either the .aux file or rerun (as suggested in the message) – user31729 Apr 21 '17 at 22:52
• @Bernard: MastersDoctorialThesis (MDT) is said to have issues ... ask Johannes_B ;-) – user31729 Apr 21 '17 at 22:58
• Another issue here is that both autolang=other + langid and selectlanguage will likely change other things in your references besides "and" instead of "und". It will use bibstrings for English rather than German in general. The autolang=other + langid approach allows you to use English bibstrings for English references and German bibstrings for German ones. – gusbrs Apr 21 '17 at 23:30

As I don't have the MastersDoctoralThesis class, I replaced it with report, und this code works fine for me:

\documentclass[english, ngerman]{report}
\usepackage{babel}
\usepackage[backend=bibtex, style=ieee, citestyle=numeric-comp, natbib=true, sorting=none, autolang=other]{biblatex}
\usepackage[autostyle]{csquotes}
\addbibresource{bibfile.bib} %The filename of the bibliography

\begin{document}

\chapter{SomeExampleChapter, with Kapitel, not chapter..}
example of a citation \cite{Reference1}. Here everything is in german, e.g. Abbildung statt figure, Kapitel instead of chapter etc...
\nocite{*}