diff --git a/meetings.md b/meetings.md
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 title: Meetings
 ---
 
+## Sopron 2023
+
+| Title  | Author |
+|--------|--------|
+|[INTERMAGNET Minutes Sopron May 2023 (PDF)](/meetings/2023May-Sopron/INTERMAGNETMeetingMinutes-SopronMay2023-Public.pdf)|A. Lewis, D. Boteler, S Flower, J. Reda, B. St-Louis, C. Turbitt|
+|[Status of One-second Definitive Data 2019-2022 (PPTX)](/meetings/2023May-Sopron/Reda_1sec_definitive_2019_2022.pptx)|J. Reda|
+|[One-minute and One-second Definitve Data Publication Comparison (PPTX)](/meetings/2023May-Sopron/Reda_Publication_state_1min_1sec.pptx)|J. Reda|
+|[Definitive Data Timeliness, Including IRDS and DOIs (PPTX)](/meetings/2023May-Sopron/Reda_Report_on_definitive_data_timeliness.pptx )|J. Reda|
+|[Kiev Geomagnetic Observatory (PPTX)](/meetings/2023May-Sopron/Sumaruk_KievObservatory.pptx )|Y. Sumaruk|
+
 ## On-line September 2021
 
 | Title  | Author |
diff --git a/meetings/2023May-Sopron/INTERMAGNETMeetingMinutes-SopronMay2023-Public.pdf b/meetings/2023May-Sopron/INTERMAGNETMeetingMinutes-SopronMay2023-Public.pdf
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diff --git a/yearbooks.md b/yearbooks.md
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--- a/yearbooks.md
+++ b/yearbooks.md
@@ -32,6 +32,7 @@ title: Yearbooks
 | Geoscience Australia | 2011 | [PDF](/yearbooks/Australia_2011.pdf "Geoscience Australia, annual report 2011") |
 | Geoscience Australia | 2012 | [PDF](/yearbooks/Australia_2012.pdf "Geoscience Australia, annual report 2012") |
 | Geoscience Australia | 2013, 2014, 2015, 2016 | [PDF](/yearbooks/Australia_2013_2016.pdf "Geoscience Australia, annual report 2013, 2014, 2015, 2016") |
+| Geoscience Australia | 2017, 2018, 2019, 2020, 2021 | [PDF](/yearbooks/Australia_2017_2021.pdf "Geoscience Australia, 2017 - 2021") |
 | Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences | 2000 | [PDF](/yearbooks/Niemegk_Wingst_2000.pdf "Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, annual report 2000") |
 | Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences | 2001, 2002, 2003 | [PDF](/yearbooks/Niemegk_Wingst_2001_2003.pdf "Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, annual report 2001, 2002, 2003") |
 | Institut de Physique du Globe de Paris | 2002 | [PDF](/yearbooks/France_2002.pdf "Institut de Physique du Globe de Paris, annual report 2002") |
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