Card from the Friendship Circle of Illinois. The front of the card features an illustration of 770 Eastern Parkway in Brooklyn, Ny., the international headquarters of the Chabad-Lubavitch movement. The inside reads: "To the Jewish community of Pittsburgh sheyichyu (may they live), I'm very sad to hear about the tragic passing of the eleven yidden (Jews) who were so brutally murdered al kiddush Hashem (sanctified by God). I hope there will be no more bad things that happen.

Floral tag from floral arrangement sent by L.F., which reads: "To my Hebrew family- I'm so sorry for your loss. There are no words. But the strength that you have shown is what we need. Stay strong. We are all here with you. L.F. [heart]." The message is written in black ink on a printed tag; a Star of David appears in the upper left corner.

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Brother MELVIN WAX z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Folded card with repeating diagonal plaid pattern in green and dark blue marker on yellow paper. The inside contains the following words in a cloud-shaped bubble with emanating light rays: "I am sorry for what happened. It will be ok. [Heart]." A Star of David surrounded by tiny dots appears in the upper left corner.

Folded card with handwritten messages on white paper. The front cover reads: "Love," written in colorful bubble letters. The inside reads: "Your brothers and sisters in Aspinwall love you very much."

Square card with white and yellow text against blue background. Card reads, "Mitzvah4Pittsburgh. Some spread darkness. We spread light. Choose a good deed. Choose a Mitzvah. Add light to the world," followed by four options and a place for respondents to list their name and email address. Some names and email addresses have been redacted for privacy.

Handwritten card in colored pencil on paper. The card features a large tree resting on grass in the lower center and reads: "We're thinking of you Tree of Life." It is signed: "[Lov]e Shayna and West Orange, NJ."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "Dear Friends, we share deeply in your sorrow. Our prayers continue; please feel the strength and love that we send to each of you. With love and prayers, Cynthia [last name redacted]."

Post-it note with handwritten message in green marker. The message reads: "You are not alone. [Heart]."

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "We are shocked that this individual felt he could do such a thing. Who gave him the power to act as God? All our prayers are with your community and faith. Blessings! A sad Presbyterian member!"

Post-it note with handwritten message in black marker. The message reads: "We will make the world a better place in the name of your memory."

Note from a member of The Church at Severn Run in Severn, Maryland. The note reads: "We love you. I pray for all of us every day."

Laminated prayer card with text of the "Prayer to Our Mother of Perpetual Help" on the reverse. The front side features a reproduction of a medieval-style icon of the Virgin and child against a gold backdrop. This prayer card has the imprimatur of the former archbishop of Boston, William Cardinal O'Connell (1859-1944).

Handmade card in purple, blue, green, and black ink on white paper. Signed by Talia, Jacob, and Jayden. Illustrated with small hearts throughout. Smudging and staining due to exposure to the elements at the Wilkins memorial.

Folded card on red paper with handwritten messages in black marker. The front cover is addressed: "To the strong and resilient Jews of Squarrel [Squirrel] Hill," with a heart. The inside contains a message of support and solidarity from an anonymous Jew.

Letter written on a torn piece of paper. The letter reads: "Olam Chesed Yibaneh (Your steadfast love is confirmed forever). We will build the world with love for you and for all. [Star of David] Shalom Blessings and Love."