## Volume 78 (2020)

#### Part 1

- Fred Rowley
- Adam Mammoliti and Jamie Simpson
- M. A. Ollis
- Daniel Johnston and Puck Rombach
- A.N. Bhavale and B.N. Waphare
- Basic retracts and counting of lattices, pp.73–99

- Peter Adams, Saad I. El-Zanati, Peter Florido and William Turner
- Brian T. Chan
- Locally finite sublattices of free lattices, pp.114–117

- Mario Huicochea
- Yair Caro and Zsolt Tuza
- Regular Turán numbers, pp.133–144

- Gabriella Rácz
- The $r$-Fubini-Lah numbers and polynomials, pp.145–153

- Max Carter, Stephan Tornier and George Willis
- On free products of graphs, pp.154–176

- Emelie Curl, Jesse Geneson and Leslie Hogben
- Skew throttling, pp.177–190

#### Part 2

- Tsz Lung Chan
- Kieran Clancy, Michael Haythorpe and Alex Newcombe
- P. Paulraja and R. Srimathi
- Samuel Fulton, Stephen O'Connor-Seville and Matthew Welz
- Jamie Simpson
- Short witnesses for Parikh-friendly permutations, pp.329–334

- John Engbers, Jay Pantone and Christopher Stocker
- Robert Ferguson
- On the lettericity of paths, pp.348–351

#### Part 3

- Tamás Héger, Péter Szilárd and Marcella Takáts
- Gregory J. Morrow
- Probabilistic aspects of $r$-Stirling numbers, pp.376–398

- Peter Borg and Kurt Fenech
- C.M. Mynhardt and S.E.A. Ogden
- Shabnam Malik
- Peter J. Cameron and Sean Eberhard