I guess I will try and start things with an OOB
Adv HQ 9 Aust Div
Rear HQ 9 Aust Div
- 9 Aust Div Int Sec
- "D" Sec FSS
- One Pl Aust HQ Gd Bn
- 9 Aust Div Emp Pl
- 2/12 Aust Fd Regt, RAA, plus Sig Sec
- 3 Aust A/Tk Regt (less 1 Bty)
- 71 L.A.D.
HQ RAE 9 Div
- 2/3 Fd Coy
- 2/4 Fd Coy
- 2/7 Fd Coy
- 2/13 Fd Coy
- 72 L.A.D.
- No. 10 (Aust) Cam Unit
HQ Sigs 9 Aust Div
- "J" Sec Sigs 7 Aust Div
- 2 Op Sec Sigs 1 Aust Corps
HQ 18 Aust Inf Bde Sig Sec
- Platoon Aust Guard Bn
- 16 Aust A/Tk Coy
- 2/9 Aust Inf Bn
- 2/10 Aust Inf Bn
- 2/12 Aust Inf Bn
- 47 L.A.D.
HQ 20 Aust Inf Bde Sig Sec
- Pl Aust Guard Bn
- 20 Aust A/Tk Coy
- 2/13 Aust Inf Bn
- 2/15 Aust Inf Bn
- 2/17 Aust Inf Bn
- 58 L.A.D.
HQ 24 Aust Inf Bde
- Sig Sec
- Platoon Aust Guard Bn
- 24 Aust A/Tk Coy
- 2/28 Aust Inf Bn
- 2/43 Aust Inf Bn
Under Command
- 2/32 Aust Inf Bn
- 76 L.A.D.
HQ 26 Aust Inf Bde
- Sig Sec
- Platoon Aust Guard Bn
- 26 Aust A/Tk Coy
- 2/23 Aust Inf Bn
- 2/24 Aust Inf Bn
- 2/48 Aust Inf Bn
- 78 L.A.D.
2/1 Aust Pioneer Bn
HQ AASC 9 Aust Div
- 9 Aust Div Pet Coy
- 9 Aust Div Supply Coln
- 7 Aust Div Supply Coln
- 9 Aust Div Amn Coy
MEDICAL
HQ AAMC 9 Aust Div
- 2/3 Fd Amb
- 2/5 Fd Amb
- 2/8 Fd Amb
- 2/11 Fd Amb
- 2/4 Fd Hygiene Sec
MISCELLANEOUS
9 Aust Div Pro Coy
9 Aust Div Salvage Coy
9 Aust Div Postal Unit
9 Aust Div Fd Cash Office
FORTRESS TROOPS
8 Aust Lt AA Bty
SIGNALS
4 Line Sec Sigs. 1 Aust. Corps
ORDNANCE
2/1 Army Fd Workshopps AAOC
No. 6 Rec Sec. 2/2 AFW AAOC
TOBRUK SUB-AREA
MEDICAL
4 Aust Gen Hosp
2/2 Aust CCS
ORDNANCE
4 AOD AAOC
The following units were formed from 7 and 9 Aust Div Supply Columns and appeared in Orders of Battle subsequent to the one above:
No. 1 and 2 Tp Carrying Coys
Area Transport Coy
No. 1 and 2 Aust F.S. Ds
9 Aust Div Res Tpt Coys
The Order of Battle for September 1941 and October 1941 also included No. 10 Aust Camouflage Unit (formed from troops already in Tobruk).
Source:
http://www.awm.gov.au/encyclopedia/tobruk/577.asp