fancyhdr package: unwanted page number with tableofcontents, chapter, part, bibliography

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My document uses class \documentclass[a4paper,twoside,onecolumn,12pt]{book}
with package \usepackage{fancyhdr} .

The command \fancyhead does an excellent job of setting up the headers and 
footers, and I would like to see the fancy header and footer on \textbf{every} 
page.

But with the commands \tableofcontents, \chapter, \part, \bibliography and 
\printindex fancyhdr places a page number in the footer, probably by forcing a 
\thispagestyle{plain}.

I understand from the fancyhdr documentation, section 10 "The default layout" 
that this is the default behaviour.  But I see in section 9 "A simple example" 
that I can change the behaviour by issuing \thispagestyle{empty} to remove the 
page numer, or \thispagestyle{fancy} to restore the headers and footers.

Quoting from the fancyhdr doc : « So if you do want the fancy layout on a page 
containing \maketitle you must issue a \thispagestyle{fancy} after the 
\maketitle. ».

This does not work as advertised.

1) With \thispagestyle{fancy} after \tableofcontents, \bibliography, \printindex 
I still get a page number centered in the footer.

2) With \thispagestyle{fancy} after \chapter I get no header or footer.

How can I override the fancyhdr default and place fancy layout on every page?

Thanks for any suggestions, Roger Price
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