601
Published 2008
602
by Spiegel
Published 2010
603
by Stillman
Published 2010
604
605
by Seeram
Published 2001
606
Published 2000
607
by Abbott
Published 2001
608
Published 2007
609
by Begg
Published 2005
610
Published 2010
611
by Dessler
Published 2011
612
by Vollmann
Published 2005
613
by Wooldridge
Published 2009
614
by Kolman
Published 2008
615
Published 2010
616
by Corne
Published 2007
617
by Corne
Published 2010
618
by Begg
Published 2006
619
by Kaddoura
Published 2002
620
by Sinnatamby
Published 2006