The fonds consists of twelve accruals. The first accrual consists of Boxes 1-31 and is arranged into 6 series: personal correspondence, business correspondence, correspondence relating to poetry readings, interview and fan mail, unpublished works and published works. This accrual measures 4.03 m.
The second accrual (04-1988) consists of Boxes 32 - 66 and is arranged into 10 series: manuscripts, poetry worksheets, articles, personal correspondence, business and literary correspondence, readings, workshops and festivals, published work in journals, writer-in-residence and grants, awards and applications. The accrual measures 6.5 m.
The third accrual (35-1991) extends to 3.0 m and consists of boxes 67-74 and is arranged into 6 series: manuscripts; correspondence; teaching and writer-in residence; awards, competitions and readings; financial and legal and personal.
The fourth accrual (44-1997), which extends to 6.93 m, consists of boxes 75 - 95 and is arranged into 6 series: manuscripts; correspondence; electronic correspondence; teaching, student work, readings and juries; business, financial and personal and published materials and videotapes.
The fifth accrual (21-2001), which extends to 9.0 m, consists of boxes 96-143 and is arranged into the following 7 series: manuscripts; correspondence; the Writers' Union of Canada; Writers' In Electronic Residence programme; Mentorship programme and Editorial; Readings, grants, awards, juries, reviews and projects; and personal and miscellaneous.
The sixth accrual (32-2004) which extends to 6.3 m, and has been arranged in seven series: teaching, correspondence, writing, writing related activities, personal documentation and memorabilia, printed material, and moving images and sound recordings.has not been arranged, described or measured.
The seventh accrual (71-2008) measures 8 m and has been arranged into six series: teaching; correspondence; writing and royalties; readings, conferences, appointment books; photographs, artwork, moving images.
The eighth accrual (26-2011) measures 1.9 m and has been arranged into five series: writing; correspondence; teaching, readings, workshops and conferences; personal; printed and other materials.
The ninth accrual (2012-11) measures 1.5 m and has been arranged into 8 series: Manuscripts of novels and poetry; Research; Teaching, Festivals and Events; Business; Correspondence; Manuscripts edited by Musgrave; Personal; and Audio-Visual and graphic materials.
The 10th accrual (2015-16) measures 1.9 m and is arranged into seven series: literary and business; Teaching, workshops, readings and speeches; Correspondence; writing by others; personal; graphic and audio-visual.
The 11th-12th accruals (2012-011, 2018-035) measures 42.4 cm and is arranged into four series: Typescripts and writing, professional and research, correspondence, and memorabilia.