- A survey of the state of safety in Tallinn and HarjumaaBarkova, Natalja; Kurik, SiljaGrowth of interaction between two capital regions2001 / p. 16-17 : ill
- Civil protection in the Republic of Estonia : the present state and perspectives of developmentBarkova, NataljaGrowth of interaction between two capital regions2001 / p. 20-21
- Differences in prices between Estonia and Finland from the 1980's until 2005Raim, JaanusGrowth of interaction between two capital regions2001 / p. 4-5 : ill
- The housing situation in Tallinn and HarjumaaPaadam, Katrin; Tomson, Liis; Pavelson, MarjeGrowth of interaction between two capital regions2001 / p. 8-11