Lyx - Add appendix after bibliography

Question

How can I insert Appendix after Bibliography ? If I put the cursor after the last character of the bibliography, then the last line of the bibliography is inside the appendix. If I click return after the last character of the bibliography, then insert the appendix, a new key appears in the appendix, and if I remove it, the appendix disappears.

Thanks,

Edit: I click on alt+Enter after the bibliography to close it. Then I insert a clear page, insert a new chapter, and start the appendix. Everything looks OK in Lyx, but in the PDF, I have the title "Bibliography" on top of the pages of the Appendix. My document class is "book(more font sizes)".

Edit 2: I am using the following preamble (if it has anything to see with the problem):

\usepackage{babel}
\addto\captionsfrench{%
  \renewcommand\tablename{Tableau}
}

\usepackage{color}
\definecolor{hellgelb}{rgb}{1,1,0.85}
\definecolor{colKeys}{rgb}{0,0,1}
\definecolor{colIdentifier}{rgb}{0,0,0}
\definecolor{colComments}{rgb}{1,0,0}
\definecolor{colString}{rgb}{0,0.5,0}
\lstset{%
     language=Matlab,%
     float=hbp,%
     basicstyle=\footnotesize\ttfamily,%
     identifierstyle=\color{colIdentifier},%
     keywordstyle=\color{colKeys},%
     stringstyle=\color{colString},%
     commentstyle=\itshape\color{colComments},%
     columns=fixed,
     tabsize=4,%
     frame=single,%
     framerule=1pt,
     extendedchars=true,%
     showspaces=false,%
     showstringspaces=false,%
     numbers=left,%
     numberstyle=\tiny\ttfamily,%
     numbersep=1em,%
     breaklines=true,%
     breakindent=10pt,%
     backgroundcolor=\color{hellgelb},%
     breakautoindent=true,%
     captionpos=t,%
     xleftmargin=1em,%
     xrightmargin=\fboxsep%
}

Answer 1

If you create bibliography by selecting Bibliography from the drop-down menu, and writing the bibliography manually, you can 'close' this by hitting Alt + Enter when the cursor is at the end of the last entry. Then you can type stuff after the bibliography, and start the appendices.

Answer 2

On OS X, rather than alt-enter use ctrl-enter. If you have Lyx's "source pane" open, you can see this finally moves the cursor beyond the end of the'bibliography section. (Alt-enter just adds extra lines inside of the final bib'item, which isn't helpful.)

This will make you free to "start appendix here" (lyx document menu) and create the chapters of the appendix. Then you can move on to grappling with the format of their headings and table of contents entries!

Answer 3

After your bibliography insert a blank line as Chapter and write your chapter title. Then use de menu entry Document->Start appendix and that will make the trick. In your TOC the chapters in the appendix box will appear after the bibliography and using letters instead of numbers.