Consultants and consulting organizations directory.

1st ed.: 1966; 2nd ed. 1973; 1976; 1979; 1982; 7:2 1987-88:2; 8th.ed. 1988 v.1; 8th.ed. 1988 v.2; 1989 v.1; 1989 v.2; 10th.ed. 1990 v.1; v.2 1990; 11th.ed. 1991 v.1; v.2 1991; v.2 1992; 1993 v.1; 13th.ed. 1993 v.1 pt.1; 13th.ed. 1993 v.1 pt.2; 1993 v.2; v.2 1993; 1994 v.1; 1994 v.2; 1995 v.1; 1995 v.2; 1996 v.1; 1996 v.2; 1997 v.1; 1997 v.2; 1998 v.1; 1999 v.1; 1999 v.2; 2000 v.1; 2000 v.2; yr.2000 v.21 pt.2; yr.2000 v.22 pt.1; yr.2000 v.22 pt.2; 23rd edition v.1 2001; 23rd edition v.2; yr.2001 v.23 pt.2; yr.2002 v.24 pt.2; yr.2003 v.25 pt.1; yr.2003 v.25 pt.2; yr.2004 v.26 pt.2; yr.2004 v.27 pt.1; yr.2004 v.27 pt.2; 28th ed.:v.1 2005; 28th ed.:v.2 2005; yr.2005 v.28 pt.1; yr.2005 v.28 pt.2; 29th ed.:v.1 2006; 29th ed.:v.2 2006; yr.2006 v.29 pt.1; yr.2006 v.29 pt.2; 30th ed.:v.1 2007; 30th ed.:v.2 2007; yr.2007 v.30 pt.1; yr.2007 v.30 pt.2; 31st ed.:v.1 2008; 31st ed.:v.2 2008; yr.2008 v.31 pt.1; yr.2008 v.31 pt.2; 32nd ed.:v.1 2008; 32nd ed.:v.2 2008; yr.2008 v.32 pt.1; yr.2008 v.32 pt.2; 33rd ed.:v.1 2009; 33rd ed.:v.2 2009; v.33 yr.2009 pt.1; v.33 yr.2009 pt.2; 34th ed.:v.1 2010; 34th ed.:v.2 2010; 35th ed.:v.1 2010; 35th ed.:v.2 2010; 2nd; Suppl.:29th ed. 2006; Suppl.:25th ed. 2003; Suppl.:26th ed. 2004; Suppl.:27th ed. 2004; Suppl.:28th ed. 2005; 2000 Suppl.; 23rd edition suppl. 2001; yr.2000 v.22 mi.suppl; yr.2004 v.27 mi.suppl; yr.2007 v.29 suppl.; yr.2006 v.28 mi.suppl.