1948
September – a lecture at the V International Congress of Religious Psychology in France.

1958
May – participation and a lecture – address to the Lambeth Conference on behalf of the Orthodox Church.

1960
A lecture at the Christian Youth conference in Lausanne, Roussilon.

1962
March 10 – a lecture at the Conference of the Fellowship of St. Alban and St. Sergius.
A lecture at Broadstairs Conference.

1963
A lecture at the II conference for Christian Unity.
A lecture at Broadstairs Conference.

1964
A lecture at the Church of England Hospital Chaplain’s Fellowship conference, Oxford.

1965
A lecture on confession at Broadstairs Conference.

1966
A lecture on suffering for the Guild of St. Barnabas, Oxford.
July 14-26 – participation and a lecture at the WCC conference “Church and society” (Geneva).
September 28 – a lecture at the ecumenical meeting in Grail Centre, London.

1967
A lecture “Stability” at the conference in Oxford.
March 30 – a lecture at the conference in Geneva in French.
June 13 – a lecture at the conference in Geneva in French.

1968
January 1 – a lecture at the World Congress of Faiths.
July 23 – a lecture at Syndesmos congress.

1969
March 26 – a lecture, (invited speaker) at the symposium “Cancer and People” in memory of David Kissen (The David Kissen Memorial lecture).
November 18 – a lecture at the conference in the Convent des Carmes à Bruxelles.

1970
Participation and a lecture at the Ecumenical Congress in Salamanca.
January 28 – a lecture at the National conference in the St Trinity Institute, USA.
August 22-29 –a lecture on freedom at the III International Congress of Ecumenical Association.

1971
August 19—23 – a lecture at the Fellowship of St. Alban and St. Sergius.
September – a lecture at the conference in Leeds.

1972
January 17 – a lecture at the conference in Brussels.
January 24-26 – a lecture at the conference in the Trinity Institute, New York, USA.
March 3 – a lecture at the ecumenical Symposium Pro Oriente XIII, Vienna.
August 25-28 – Church days in Upsala, a lecture for the conference of Fraternity for the renovation of the Church.

1973
October 28 – a lecture at the conference of the Addiscombe group of Churches.
November 8 – a lecture at the conference of the Institute of Directors at Royal Albert Hall, London.

1974
June 7 – a lecture at the Centenary conference of the Association of Head Mistresses, London.
August 30 — 3 September – a lecture at the conference of the Swedish Lutheran Church “Church days – 74”.
November 1–3 – participation and a lecture at the General Congress of Orthodox Youth of Western Europe, Dijon.

1975
June 18 – a lecture at the RAF Chaplains’ conference, Amport House.

1976
March 20 – a lecture on death at the Symposium “The bereaved patient,” Compassionate Friends, Birmingham.
May 17-19 – a lecture for the Joint School of Pastoral liturgy, High Leigh.
July 9 – la ecture at the Carmelite International Study Congress.
September 10-12 – a lecture at the National conference of Men’s Society Loughborough.
November 17 – a lecture at the Ecumenical Congress in Chichester.

1979
March 20 – a lecture at the conference in Luxemburg.
November 2 – a lecture at the conference of the Centre for Spiritual and Psychological Studies, Sussex.

1980
December 15 – a lecture for the New Town Studies in Christian Theology, Bracknell.

1981
May 8 – a lecture at St. Christopher’s hospice conference.
June 6 – a lecture at the meeting of the Scunthorpe & District Council of Churches.

1982
October 14-15 – a lecture at the XX annual Congress of the (Incorporated) Magistrates’ Association.

1983
September 6 – a lecture on death at the conference of the Institute of Education, UCL.
November 9 – a lecture at the open seminar of the University of Essex.

1984
January 28 – a lecture at the East Midlands D.E.F. Conference in St. John’s College, Nottingham.
February 16 – a lecture at the Open Christian Forum in the UCL.
April 7 – la ecture at the Open conference of the Wreklin Trust «Mystics and Scientists», King Alfred’s college, Winchester.
May 3 – a lecture at the Christian Festival of Celebration of Europe.
July 5 – a lecture at the National Congress «Mary in the Church today».
September 1 – a lecture at the St. Alban’s Interfaith Congress.
December 15 – a lecture at the Orthodox Youth Conference in Bristol.
A lecture at the conference of the Fellowship of St. Alban and St. Sergius.

1985
February 5 – a lecture at the Inter-Church Travel Leader’s conference 1985.
May – a lecture on the quality of life at the conference in Nottingham.
November 9 – a lecture at the conference on prayer at the Woodville Road Baptist Church. Cathays, Cardiff.
December 22 – a lecture at the Orthodox Youth Conference in Effingham.

1986
August 22 – a lecture at the XII General Assembly of Syndesmos “Church as Eucharistic community” in Effingham.

1987
February 2 – a lecture, the Banstead Christian Studies.
May – a lecture on spiritual guidance at the conference “Theology and spirituality of the Russian Orthodox Church” in Moscow.

1988
September 4 – a lecture at the conference “Spiritual Issues in Cancer Care.”

1989
March 21 – a lecture at the annual conference of the Association for School Chaplains and Schoolmasters in Holy Orders, London-Colney.
August 1 – a lecture at the European Student Festival.

1990
August 9 – a lecture at the annual conference of the Fellowship of St. Alban and St. Sergius.

1994
December – a lecture, the Byzantine and Patristic Society Conference.

1997
May 10 – a lecture at the conference on religious education, London.

1999
September 17 – a lecture at the Gerontology conference in Bournemouth.

2000
January 18 – a lecture – letter to the conference «The problems of canonization of the Tzar Family martyrs”.