Here is some of newer research on Urushibara catalysts.
Efficiency of the Urushibara nickel catalyzed atmospheric hydrogenation in the synthesis of aniline derivatives.
Liu, X.; Jia, T.; Chen, J.; Jiang, Z.; Zhang, H.; Huang, X.
Organic Preparations and Procedures International, 32(5), 485-488 (2000). Journal written in English.
CAN 134:71334 ISSN 0030-4948
Abstract
The NO2 group in 4-substituted 2-nitroanilines, 2-nitro-4-(trifluoromethyl)phenol, 2-nitrophenol, and
4-nitrophenol was reduced to NH2 in 80-90% yield by hydrogenation over Urushibara nickel catalyst at 1 atm.
(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_imgs/pdf.gif)