How to get the cover and catalogue of a periodical: As long as you search the homepage of this periodical, the homepage will show the cover of the magazine. Click to enter, and a list and cover will appear. Just choose the directory you want to choose.

Search the first page of periodicals, enter the name of periodicals in the search engine, and most of them can be searched.

There are two ways to obtain the cover and catalogue of English periodicals, namely, through the magazine home page and through Palm Bridge scientific research.

1. Inquire through the magazine homepage: Go to the official magazine homepage, find the list, select the corresponding issue, and open it to see the corresponding cover and catalogue.

2. Scientific research inquiry through the palm bridge: log in to the one-stop scientific research service platform, select the "periodical" option, retrieve the name of the magazine to be inquired, and select the name of the magazine in the retrieval results to view the information of the periodical.