Joseph Cardijn Digital Library

The Joseph Cardijn Digital Library ( is an online repository in French and English of Cardijn’s writings, biographical material, including photos and videos, testimonies from those who knew and worked with him. It also hosts a growing list of short biographies of other jocist leaders and chaplains, including some who have their own dedicated sites, and other resources.

Established in its current form, the JCDL now hosts over 2000 documents, with more added each month.

Cardijn Lecture

Since 2021, ACI has organised an annual Cardijn Lecture with international speakers addressing a variety of themes. Presenters to date include Rafael Luciani, a Venezuelan lay theologian and specialist on Synodality, Cardinal Michael Czerny, prefect of the Holy See Dicastery for Promoting Integral Human Development, and Alana Harris, historian from Kings College London.

Synod on Synodality

As a follow up to our work on the Australian Plenary Council, ACI has been working to promote Cardijn’s conception of lay apostolate as embodied in the documents of the Second Vatican Council.

An ongoing series of webinars has been organised on the mission and vocation of lay people.

ACI sponsored and submitted a Contribution to the First Assembly of the Synod in 2023, and organised a special Mass at the Domitilla Catacombs in Rome during the First Assembly.

A major conference is now in preparation to take place during the Second Assembly in October 2024.

Plenary Council Project

ACI made two submissions to the Australian Plenary Council, both of which focused on the promotion of the specifically lay apostolate of lay people as understood by Cardijn and endorsed by Vatican II.

In addition, we developed a specialised website to host material on the lay apostolate:

Making life beautiful: Jocist Women Leaders Project

In 2021, ACI launched a new project that aims to document the lives and work of women leaders from the JOC and other Specialised Catholic Action movements. An international team of researchers has been assembled to work on the project which is aiming to publish a book recording the stories of ten women jocist leaders and to launch an online biographical dictionary to host the stories of many more.

Project website:

Research Resources

ACI has created a series of websites to host a variety of resources for researchers into the work of the jocist movements, including History of the Cardijn Movements in Australia and a Historical News Timeline.

Research Library

ACI is developing a research library on Cardijn, lay apostolate, the history and work of the JOC and its sister movements, Vatican II, etc. Currently, we have a collection of over 2000 books and documents, including many rare historical sources.

Webinars, seminars and conferences

ACI began by organising a series of events at Catholic Theological College, Melbourne, in 2018.

Since 2020, we have moved to monthly webinars covering a wide range of topics, including Catholic Social Teaching (Rerum Novarum, Fratelli Tutti…), Vatican II, current events and the lay apostolate in general.

The videos from these webinars are now available online here.


ACI has published two books. The first was Cardijn’s classic , Challenge to Action. The second was Stefan Gigacz’s PhD thesis, The Leaven in the Council: Joseph Cardijn and the Jocist Network at Vatican II.

We have also republished online versions of resources by the late YCW chaplain, Fr Hugh O’Sullivan: 

Making Monday the Best Day

Notes for Leaders

We also publish a monthly ACI Newsletter.