Twin directories of Collections:

[DIR]  ftp://ftp.asstr.org/pub/Collections/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/gnu/dotgnu/dotgnu/pnetlib-doc/System/Collections/
[DIR]  ftp://ftp.gwdg.de/pub/gnu/www/savannah-checkouts/gnu/dotgnu/dotgnu/pnetlib-doc/System/Collections/
[DIR]  ftp://ftp.divms.uiowa.edu/pub/slonnegr/oosd/Collections/
[DIR]  ftp://ftp.kreonet.re.kr/gnu/ibiblio/www/savannah-checkouts/gnu/dotgnu/pnetlib-doc/System/Collections/
[DIR]  ftp://ftp.gwdg.de/pub/gnu/www/savannah-checkouts/gnu/dotgnu/pnetlib-doc/System/Collections/
[DIR]  ftp://ftp.funet.fi/pub/doc/games/chess/ddg/PGN/Collections/
[DIR]  ftp://ftp.eyrie.org/pub/superguy/Collections/
[DIR]  ftp://ftp.ngb.se/pub/ngb/library/Collections/
[DIR]  ftp://ftp.sci.usq.edu.au/pub/staff/markt/66309_Pracs/Collections/
[DIR]  ftp://ftp.sci.usq.edu.au/pub/staff/markt/CSC3402_Pracs/Collections/
[DIR]  ftp://ftp.wins.uva.nl/pub/theory/illc/illcindividuals/mdr/Harald/Collections/
[DIR]  ftp://ftp.elysium.pl/groups/Elysium/Collections/
[DIR]  ftp://ftp.elysium.pl/groups/Impact/Collections/
[DIR]  ftp://ftp.elysium.pl/groups/Parados/Collections/
[DIR]  ftp://ftp.daimi.au.dk/Collections/