Rigoni, Rafaela and Liebregts, Nienke and Schiffer, Katrin (2021) Briefing paper. Treatment, prevention and harm reduction interventions for different forms of ATS use. Amsterdam: De Regenboog Groep; Correlation-European Harm Reduction Network.

Pomfret, Alice and Rigoni, Rafaela and Busz, Machteld and Schiffer, Katrin (2024) City report – Amsterdam. Shaping the future of drug regulation from the ‘bottom-up’. Amsterdam: Correlation – European Harm Reduction Network.

Pomfret, Alice and Iatco, A and Rigoni, Rafaela and Schiffer, Katrin (2024) City report – Bălţi. Violating confidentiality: the disclosure of medical data of people who use drugs. Amsterdam: Correlation – European Harm Reduction Network.

Pomfret, Alice and Rigoni, Rafaela and Kap, M and Perez Gayo, Roberto and Schiffer, Katrin (2024) City report – Esch-sur-Alzette. Establishing a drug consumption room in a small-scale city. Amsterdam: Correlation – European Harm Reduction Network.

Pomfret, Alice and Schlossenberg, Shayla S and Rigoni, Rafaela and Cutter, Stephen and Schiffer, Katrin (2024) City report – London. The disproportionate harms of drug prohibition on oppressed peoples. Amsterdam: Correlation – European Harm Reduction Network.

Pomfret, Alice and Bartnik, M and Rigoni, Rafaela and Schiffer, Katrin (2024) City report – Warsaw. A critical review of the harm reduction landscape in the district of Praga. Correlation – European Harm Reduction Network.

Liebregts, Nienke and Rigoni, Rafaela and Petruželka, Benjamin and Barták, Miroslav and Rowicka, Magdalena and Zurhold, Heike and Schiffer, Katrin (2022) Different phases of ATS use call for different interventions: a large qualitative study in Europe. Harm Reduction Journal , 19 .

Moura, Joana and Perez Gayo, Roberto and Darragh, Laoise and Jeziorska, Iga and Schiffer, Katrin (2024) Drug consumption rooms in Europe: operational overview. Amsterdam: Correlation – European Harm Reduction Network.

C-EHRN Focal Points. Tammi, Tuukka and Rigoni, Rafaela and Darragh, L and Moura, Joana and Perez Gayo, Roberto and Schiffer, Katrin (2024) Eliminating hepatitis C in Europe: a report on policy implementation for people who inject drugs. Civil Society Monitoring of Harm Reduction in Europe 2023. Amsterdam: Correlation – European Harm Reduction Network.

C-EHRN Focal Points. Jeziorska, Iga and Matos, M and Rigoni, R and Schiffer, Katrin (2024) Essential harm reduction services: report on policy implementation for people who use drugs 2024. Amsterdam: Correlation – European Harm Reduction Network.

C-EHRN Focal Points. Jeziorska, Iga and Rigoni, Rafaela and Moura, Joana and Pomfret, Alice and Schiffer, Katrin (2023) Essential harm reduction services: report on policy implementation for people who use drugs. Civil society monitoring of harm reduction in Europe 2023. Amsterdam: Correlation – European Harm Reduction Network.

TEDI members. Jones, G and Ventura, Mireia and Rigoni, Rafaela and Schiffer, Katrin (2025) European drug checking trends 2018 - 2024. Amsterdam: Correlation – European Harm Reduction Network.

TEDI members. Jones, G and Ventura, Mireia and Rigoni, Rafaela and Schiffer, Katrin (2024) European drug checking trends 2018-2023. Amsterdam: Correlation – European Harm Reduction Network.

Schiffer, Katrin and Schatz, Eberhard (2008) Marginalisation, social inclusion and health; experiences based on the work of Correlation - European Network Social Inclusion & Health. Amsterdam: Foundation Regenboog AMOC.

Gaffney, Justin and Velcevsky, Petr and Phoenix, Jo and Schiffer, Katrin (2008) Practical guidelines for delivering health services to sex workers. Amsterdam: Foundation Regenboog AMOC.