Bug 34967: Add sample biblios and tidy some lines

Bug 34967: Add sample biblios and tidy some lines

Test plan:
Run t/Prices.t

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit e36b873a47dce9f21f19b25e4c617e330f31e1ff)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 162c81b7be4d717d475871fb449eed716b2919c3)
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>